diff --git a/Running letter b/Running letter
new file mode 100644
index 00000000..b6d03c14
--- /dev/null
+++ b/Running letter	
@@ -0,0 +1,37 @@
+#include<stdio.h>
+#include<windows.h>
+void running(int col);
+int main(void)
+{
+	system("mode con cols=63");
+	running(63);
+	
+	return 0;
+} 
+void running(int col)
+{
+	int i,j;
+	while(1)
+	{
+		for(i=0;i<=col-1;i++)
+		{
+			Sleep(50);
+			system("cls");
+			for(j=0;j<i;j++)
+			{
+				printf(" ");
+			}
+			putchar('>');
+	        }
+		for(i=col-1;i>=0;i--)
+		{
+			Sleep(50);
+			system("cls");
+			for(j=0;j<i;j++)
+			{
+				printf(" ");
+			}
+			putchar('<');
+	        }	    
+	}
+}
diff --git a/practices/c/level1/p01_runningLetter/runningletter.c b/practices/c/level1/p01_runningLetter/runningletter.c
new file mode 100644
index 00000000..b3197e9d
--- /dev/null
+++ b/practices/c/level1/p01_runningLetter/runningletter.c
@@ -0,0 +1,35 @@
+#include<stdio.h>
+#include<windows.h>
+#include<stdbool.h>
+
+void running(int col);
+
+int main(void){
+	system("mode con cols=63");
+	running(63);
+	
+	return 0;
+} 
+void running(int col){
+	int i=0,j;
+	bool flag=0;
+	
+	while(1){
+		Sleep(50);
+		system("cls");
+		for(j=0;j<i;j++){
+			printf(" ");
+		}
+		if(!flag){
+			i++;
+		}
+		else{
+			i--;
+		}
+		if(62==i||0==i){
+			flag=!flag;
+		}
+		putchar('R');
+	    	    
+	}
+}
diff --git a/practices/c/level1/p02_isPrime/is_prime.c b/practices/c/level1/p02_isPrime/is_prime.c
new file mode 100644
index 00000000..2f9bafad
--- /dev/null
+++ b/practices/c/level1/p02_isPrime/is_prime.c
@@ -0,0 +1,35 @@
+#include<stdio.h>
+#include<math.h>
+
+int is_prime(int n);
+
+int main(void)
+{
+	int n;
+	
+	scanf("%d",&n);
+	if(is_prime(n))
+	{
+		printf("%d is prime.\n",n);
+	}
+	else
+	{
+		printf("%d isn/'t prime.\n");
+	}
+	
+	return 0;
+	 
+}
+int is_prime(int n)
+{
+	int i;
+	
+	for(i=2;i<=pow(n,0.5);i++)
+	{
+		if(n%i==0)
+		{
+			return 0;
+		}
+	}
+	return 1;
+}
diff --git a/practices/c/level1/p03_Diophantus/Diophantus.c b/practices/c/level1/p03_Diophantus/Diophantus.c
new file mode 100644
index 00000000..eb5a4ebc
--- /dev/null
+++ b/practices/c/level1/p03_Diophantus/Diophantus.c
@@ -0,0 +1,26 @@
+#include<stdio.h>
+#define rate 1/6.0+1/12.0+1/7.0
+
+void Diophantus(void);
+
+int main(void)
+{
+	Diophantus();
+	system("pause");
+	
+	return 0;
+} 
+void Diophantus(void)
+{
+	int age_father=6;
+	
+	while(age_father<=200)
+	{
+		if(age_father==(int)age_father*(rate+0.5)+9)
+		{
+			printf("%d\n",age_father-4);
+		}
+		age_father+=2;
+	}
+	
+}
diff --git a/practices/c/level1/p04_ narcissus/narcissus.c b/practices/c/level1/p04_ narcissus/narcissus.c
new file mode 100644
index 00000000..e46ab986
--- /dev/null
+++ b/practices/c/level1/p04_ narcissus/narcissus.c	
@@ -0,0 +1,27 @@
+#include<stdio.h>
+
+void narcissus(void);
+
+int main(void)
+{
+	narcissus();
+	
+	return 0;
+}
+void narcissus(void)
+{
+	int i;
+	int a,b,c;
+	
+	for(i=100;i<1000;i++)
+	{
+		a=i/100;
+		b=(i-a*100)/10;
+		c=i-a*100-b*10;
+		if(i==a*a*a+b*b*b+c*c*c)
+		{
+			printf("%d\t",i);	
+		}
+	}
+	
+}
diff --git a/practices/c/level1/p05_allPrimes/allprimes.c b/practices/c/level1/p05_allPrimes/allprimes.c
new file mode 100644
index 00000000..f9c21269
--- /dev/null
+++ b/practices/c/level1/p05_allPrimes/allprimes.c
@@ -0,0 +1,40 @@
+#include<stdio.h>
+#include<time.h>
+#include<math.h>
+
+int is_prime(int n);
+void printprime(void);
+
+int main(void)
+{
+	printprime();
+	
+	return 0;
+} 
+void printprime(void)
+{
+	int max,i;
+	float delta;
+	
+	scanf("%d",&max);
+	delta=clock();
+	for(i=2;i<=max;i++)
+	{
+		if(is_prime(i))
+		{
+			printf("%d\t",i);
+		}
+	}
+	delta=clock()-delta;
+	printf("\nIt takes %.2f ms\n",delta);
+}
+int is_prime(int n)
+{
+	int j;
+	
+	for(j=2;j<=pow(n,0.5);j++)
+	{
+		if(n%j==0)return 0;
+	}
+	return 1;
+}
diff --git a/practices/c/level1/p05_allPrimes/prime.c b/practices/c/level1/p05_allPrimes/prime.c
new file mode 100644
index 00000000..5a10f18e
--- /dev/null
+++ b/practices/c/level1/p05_allPrimes/prime.c
@@ -0,0 +1,83 @@
+#include<stdio.h>
+#include<stdlib.h>
+typedef struct link_list
+{
+	long long int num;
+	struct link_list * next;
+}LINK;
+LINK * create(long long int n);
+void dele(LINK * head);
+void screen(LINK * head);
+void display(LINK * head);
+int main(void)
+{
+	long long int max;
+	LINK * _head; 
+	scanf("%lld",&max);
+	_head=create(max);
+	
+	//screen(_head);
+	display(_head);
+	
+	system("pause");
+	return 0;
+}
+LINK * create(long long int n)
+{
+	LINK *head,*cp1,*cp2;
+	long long int i;
+	
+	head=NULL;
+	cp1=cp2=(LINK *)malloc(sizeof(LINK *));
+	for(i=2;i<=n;i++)
+	{
+		if(2==i)
+		{
+			head=cp1;
+		}
+		else
+		{
+			cp1->next=cp2;
+			cp1=cp2;
+		}
+		cp1->num=i;
+		cp2=(LINK *)malloc(sizeof(LINK *));
+	}
+	cp1->next=NULL;
+	free(cp2);
+
+	return head;
+}
+void screen(LINK * head)
+{
+	LINK *cp1,*cp2,*cp3,*temp;
+	cp1=cp2=cp3=head;
+	while(cp3!=NULL)
+	{
+		cp2=cp3;
+		cp1=cp3;
+		while(cp2!=NULL&&cp1!=NULL)
+		{
+			cp2=cp2->next;
+			if(cp2!=NULL&&0==cp2->num%cp3->num)
+			{
+				temp=cp2;
+				cp1->next=cp1->next->next;
+				cp2=cp2->next;
+			}
+			cp1=cp1->next;
+		}
+		cp3=cp3->next;
+	}
+}
+void display(LINK * head)
+{
+	LINK *cp;
+	
+	cp=head;
+	while(cp!=NULL)
+	{
+		printf("%lld\t",cp->num);
+		cp=cp->next;
+	}
+} 
diff --git a/practices/c/level1/p06_Goldbach/Goldbach.c b/practices/c/level1/p06_Goldbach/Goldbach.c
new file mode 100644
index 00000000..0e39bf57
--- /dev/null
+++ b/practices/c/level1/p06_Goldbach/Goldbach.c
@@ -0,0 +1,75 @@
+#include<stdio.h>
+#include<math.h>
+
+int is_prime(int n);
+int _prime(int *P);
+void Goldbach(int *P,int n);
+
+int main(void)
+{
+	int prime[100];
+	int max;
+	
+	max=_prime(prime);
+    Goldbach(prime,max);
+    
+    return 0;
+	
+}
+void Goldbach(int *P,int n)
+{
+	int even=4;
+	int i,j;
+	int B;
+	
+	while(even<=100)
+	{
+		B=0;
+		for(i=0;i<n;i++)
+		{
+			for(j=i;j<n;j++)
+			{
+				if(even==P[i]+P[j])
+				{
+					printf("%3d=%3d+%3d\n",even,P[i],P[j]);
+					even+=2;
+					B=1;
+					break;
+				}
+			}
+			if(B==1)
+			{
+				break;
+			} 
+		}
+	}
+	printf("100以内的哥德巴赫猜想成立!\n");
+	system("pause"); 
+}
+int _prime(int *P)
+{
+	int i,j=0;
+	
+	for(i=2;i<=100;i++)
+	{
+		if(is_prime(i))
+		{
+			P[j]=i;
+			j++;
+		}
+	}
+	return j;
+}
+int is_prime(int n)
+{
+	int i;
+	
+	for(i=2;i<=pow(n,0.5);i++)
+	{
+		if(n%i==0)
+		{
+			return 0;
+		}
+	}
+	return 1;
+}
diff --git a/practices/c/level1/p07_encrypt_decrypt/encrypt_decrypt.c b/practices/c/level1/p07_encrypt_decrypt/encrypt_decrypt.c
new file mode 100644
index 00000000..c305d60d
--- /dev/null
+++ b/practices/c/level1/p07_encrypt_decrypt/encrypt_decrypt.c
@@ -0,0 +1,92 @@
+#include<stdio.h>
+
+void encrypt(void);
+void decrypt(void);
+
+int main(void)
+{
+	char judge;
+	
+	printf("1.encrypt  2.decrypt  q.quit\n");
+	while((judge=getch())!='q')
+	{
+		switch(judge)
+		{
+			case '1':
+				system("cls");
+				printf("mode encrypt:\n");
+				encrypt();
+				break;
+			case '2':
+				system("cls");
+				printf("mode decrypt:\n");
+				decrypt();
+				break;
+			case 'q':
+				return 0;
+			default:
+				printf("error\n");
+				system("pause");
+		}
+		system("cls");
+		printf("1.encrypt  2.decrypt  q.quit\n");
+	}
+	
+	return 0;
+}
+void encrypt(void)
+{
+	char ch1;
+	
+	while((ch1=getchar())!=EOF)
+	{
+		if((ch1>=65&&ch1<=87)||(ch1>=97&&ch1<=119))
+		{
+			putchar(ch1+3);
+		}
+		else if(ch1>87&&ch1<=90)
+		{
+			putchar(64+(ch1-87));
+		}
+		else if(ch1>119&&ch1<=122)
+		{
+			putchar(96+(ch1-119));
+		}
+		else if(ch1=='\n')
+		{
+			putchar('\n');
+		}
+		else
+		{
+			putchar(' ');
+		}
+	}
+}
+void decrypt(void)
+{
+	char ch2;
+	
+	while((ch2=getchar())!=EOF)
+	{
+		if((ch2>=68&&ch2<=90)||(ch2>=100&&ch2<=122))
+		{
+			putchar(ch2-3);
+		}
+		else if(ch2>64&&ch2<=67)
+		{
+			putchar(87+ch2-64);
+		}
+		else if(ch2>96&&ch2<=99)
+		{
+			putchar(119+ch2-96);
+		}
+		else if(ch2=='\n')
+		{
+			putchar(ch2);	
+		}
+		else
+		{
+			putchar(' ');
+		}
+	}
+}
diff --git a/practices/c/level1/p08_hanoi/hanoi.c b/practices/c/level1/p08_hanoi/hanoi.c
new file mode 100644
index 00000000..140e66ab
--- /dev/null
+++ b/practices/c/level1/p08_hanoi/hanoi.c
@@ -0,0 +1,40 @@
+#include<stdio.h>
+
+void Hanoi(int n,char a,char b,char c,unsigned long int * i);
+
+int main(void)
+{
+	char aP='A',bP='B',cP='C';
+	unsigned long int sum=0;
+	int num;
+	
+	printf("Please enter the number of tower:\n");
+	scanf("%d",&num);
+	if(num<=0)
+	{
+		printf("error\n");
+		system("pause");
+		
+		return 0;
+	}
+	Hanoi(num,aP,bP,cP,&sum);
+	printf("The sum is %u\n",sum);
+	
+	return 0;
+}
+void Hanoi(int n,char a,char b,char c,unsigned long int * i)
+{
+	if(n==1)
+	{
+		printf("%c to %c\n",a,c);
+		*i=*i+1;
+		return;
+	}
+	else 
+	{
+		Hanoi(n-1,a,c,b,i);
+		Hanoi(1,a,b,c,i);
+		Hanoi(n-1,b,a,c,i);
+	}
+
+}
diff --git a/practices/c/level1/p09_maze/maze.c b/practices/c/level1/p09_maze/maze.c
new file mode 100644
index 00000000..3f5bba9b
--- /dev/null
+++ b/practices/c/level1/p09_maze/maze.c
@@ -0,0 +1,591 @@
+//win10系统会出现排版问题，把四种方块改成127以内的字符方可正常使用 
+//写迷宫地图的时候忘记可以直接从文档中读取了。。看到推箱子才想起来。。 
+/*todolist
+1.read map;
+2.print map&you;
+3.move it:1)input;2)canyoumove?;
+4.judge if you win;
+5.score;*/ 
+#include<stdio.h>
+#include<windows.h>
+#define W 219 
+#define P 232 
+#define K 224 
+#define E 215 
+
+unsigned char screen[22][22];
+void map(int level);
+void print_map(void);
+void judge(int level);
+void gotoxy(int x, int y); 
+
+int main(void)
+{
+	char input;
+	
+	system("chcp 437");
+	system("mode con cols=23 lines=23");
+	system("cls");
+	
+	printf("Super Maze\n");
+	printf("Info:Use \"w\" \"a\" \"s\" \"d\" to move,and you should");
+	printf("get the %c to open the door(%c)\n",K,E); 
+	printf("please choose a map:\n");
+	printf("1  2  q.quit\n");
+	while((input=getch())!='q')
+	{
+		switch(input)
+		{
+			case '1':
+				map(0);
+				judge(0);
+				break;
+			case '2':
+			    map(1);
+				judge(1);
+				break; 
+			case 'q':
+				return 0;
+			default:
+				;
+		}
+		
+		map(-1);
+		system("cls");
+		printf("Super Maze\n");
+		printf("Info:Use \"w\" \"a\" \"s\" \"d\" to move,and you should");
+		printf("get the %c to open the door(%c)\n",K,E); 
+		printf("please choose a map:\n");
+		printf("1  2  q.quit\n");
+		 
+	}
+
+	
+	return 0;
+}
+void map(int level)
+{
+	int i,j;
+	
+    for(i=0;i<22;i++)
+	{
+		screen[i][0]=W;
+		screen[i][21]=W;
+	}
+	for(j=1;j<21;j++)
+	{
+		screen[0][j]=W;
+		screen[21][j]=W;
+	}
+		
+	if(level==0)
+	{
+		
+		for(i=8;i<11;i++)
+		{
+			screen[i][1]=W;
+		}
+		screen[4][1]=W;
+		screen[14][1]=W;
+		screen[16][1]=W;
+		
+		for(i=2;i<=14;i=i+2)
+		{
+			if(i!=8)
+			{
+				screen[i][2]=W;
+			}
+		}
+		for(i=16;i<20;i++)
+		{
+			screen[i][2]=W;
+		}
+		
+		for(i=1;i<15;i++)
+		{
+			if(i!=3&&i!=5&&i!=9&&i!=11
+			&&i!=13)
+			{
+				screen[i][3]=W;
+			}
+		}
+		
+		screen[1][4]=W;
+		screen[4][4]=W;
+		screen[8][4]=W;
+		screen[12][4]=W;
+		screen[14][4]=W;
+		for(i=16;i<21;i++)
+		{
+			if(i!=18)
+			{
+				screen[i][4]=W;
+			}
+		}
+		
+		for(i=1;i<13;i++)
+		{
+			if(i!=2&&i!=7)
+			{
+				screen[i][5]=W;
+			}
+		}
+		screen[14][5]=W;
+		screen[16][5]=W;
+		screen[19][5]=W;
+		
+		screen[1][6]=W;
+		screen[3][6]=W;
+		screen[8][6]=W;
+		screen[16][6]=W;
+		screen[18][6]=W;
+		screen[19][6]=W;
+		
+		for(i=1;i<8;i=i+2)
+		{
+			screen[i][7]=W;
+		}
+		screen[8][7]=W;
+		for(i=10;i<19;i++)
+		{
+			if(i!=17)
+			{
+				screen[i][7]=W;
+			}
+		}
+		
+		for(i=3;i<8;i=i+2)
+		{
+			screen[i][8]=W;
+		}
+		screen[10][8]=W;
+		screen[16][8]=W;
+		screen[18][8]=W;
+		screen[19][8]=W;
+		
+		for(i=2;i<15;i++)
+		{
+			if(i!=4&&i!=6&&i!=8&&i!=11)
+			{
+				screen[i][9]=W;
+			}
+		}
+		
+		screen[5][10]=W;
+		screen[7][10]=W;
+		for(i=10;i<20;i++)
+		{
+			if(i!=13&&i!=15)
+			{
+				screen[i][10]=W;
+			}
+		}
+		
+		for(i=1;i<9;i++)
+		{
+			if(i!=4&&i!=6)
+			{
+				screen[i][11]=W;
+			}
+		}
+		screen[11][11]=W;
+		screen[14][11]=W;
+		screen[16][11]=W;
+		
+		screen[5][12]=W;
+		screen[8][12]=W;
+		screen[9][12]=W;
+		for(i=13;i<21;i++)
+		{
+			screen[i][12]=W;
+		}
+		
+		screen[1][13]=W;
+		for(i=3;i<12;i++)
+		{
+			screen[i][13]=W;
+		}
+		
+		screen[1][14]=W;
+		screen[3][14]=W;
+		screen[7][14]=W;
+		for(i=11;i<21;i++)
+		{
+			if(i!=16)
+			{
+				screen[i][14]=W;
+			}
+		}
+		
+		for(i=3;i<20;i=i+2)
+		{
+			if(i!=13)
+			{
+				screen[i][15]=W;
+			}
+		}
+		
+		for(i=3;i<20;i=i+2)
+		{
+			if(i!=15)
+			{
+				screen[i][16]=W;
+			}
+		}
+		screen[2][16]=W;
+		
+		for(i=5;i<20;i=i+2)
+		{
+			screen[i][17]=W;
+		}
+		for(i=14;i<18;i++)
+		{
+			screen[i][17]=W;
+		}	
+		
+		screen[16][18]=W;	
+		for(i=1;i<6;i++)
+		{
+			screen[i][18]=W;
+		} 
+		for(i=7;i<12;i=i+2)
+		{
+			screen[i][18]=W;
+		}
+		screen[19][18]=W;
+		
+		screen[3][19]=W;
+		screen[11][19]=W;
+		for(i=7;i<10;i++)
+		{
+			screen[i][19]=W;
+		}
+		for(i=13;i<20;i++)
+		{
+			if(i!=17)
+			{
+				screen[i][19]=W;
+			}
+		}
+		
+		screen[1][20]=W;
+		screen[11][20]=W;
+		screen[5][20]=W;
+		
+		screen[0][2]=P;
+		screen[21][15]=E;
+		screen[8][18]=K;
+	}
+	else if(level==1) 
+	{
+		for(i=5;i<8;i++)
+		{
+			screen[i][1]=W;
+		}
+		screen[11][1]=W;
+		screen[15][1]=W;
+		
+		for(i=1;i<14;i=i+2)
+		{
+			if(i!=5)
+			{
+				screen[i][2]=W;
+			}
+		}
+		for(i=15;i<19;i++)
+		{
+			screen[i][2]=W;
+		}
+		
+		for(i=3;i<6;i++)
+		{
+			screen[i][3]=W;
+		}
+		for(i=9;i<14;i=i+2)
+		{
+			screen[i][3]=W;
+		}
+		screen[18][3]=W;
+		screen[20][3]=W;
+		
+		screen[2][4]=W;
+		screen[3][4]=W;
+		for(i=5;i<10;i++)
+		{
+			screen[i][4]=W;
+		}
+		for(i=13;i<17;i++)
+		{
+			screen[i][4]=W;	
+		}
+		screen[18][4]=W;
+		
+		screen[5][5]=W;
+		screen[12][5]=W;
+		screen[13][5]=W;
+		screen[16][5]=W;
+		screen[18][5]=W;
+		screen[19][5]=W;
+		
+		for(i=1;i<13;i++)
+		{
+			if(i!=4&&i!=6)
+			{
+				screen[i][6]=W;
+			}
+		}
+		screen[14][6]=W;
+		screen[16][6]=W;
+		
+		screen[5][7]=W;
+		screen[14][7]=W;
+		for(i=16;i<20;i++)
+		{
+			screen[i][7]=W;
+		}
+		
+		screen[1][8]=W;
+		screen[16][8]=W;
+		screen[19][8]=W;
+		for(i=3;i<15;i++)
+		{
+			if(i!=11)
+			{
+				screen[i][8]=W;
+			}
+		}
+		
+		screen[6][9]=W;
+		screen[10][9]=W;
+		screen[16][9]=W;
+		screen[17][9]=W;
+		
+		screen[1][10]=W;
+		screen[3][10]=W;
+		for(i=4;i<9;i=i+2)
+		{
+			screen[i][10]=W;
+		}
+		for(i=10;i<15;i++)
+		{
+			screen[i][10]=W;
+		}
+		screen[16][10]=W;
+		screen[19][10]=W;
+		
+		for(i=4;i<19;i=i+2)
+		{
+			if(i!=6&&i!=12)
+			{
+				screen[i][11]=W;
+			}
+		}
+		screen[19][11]=W;
+		
+		for(i=1;i<9;i++)
+		{
+			if(i!=3)
+			{
+				screen[i][12]=W;
+			}
+		}
+		for(i=10;i<17;i=i+2)
+		{
+			screen[i][12]=W;
+		}
+		screen[19][12]=W;
+		
+		screen[4][13]=W;
+		screen[10][13]=W;
+		screen[12][13]=W;
+		screen[16][13]=W;
+		screen[17][13]=W;
+		screen[19][13]=W;
+		
+		for(i=2;i<18;i++)
+		{
+			if(i!=5)
+			{
+				screen[i][14]=W;
+			}
+		}
+		
+		screen[2][15]=W;
+		screen[4][15]=W;
+		screen[14][15]=W;
+		screen[17][15]=W;
+		screen[19][15]=W;
+		screen[20][15]=W;
+		
+		for(i=1;i<13;i++)
+		{
+			if(i!=3)
+			{
+				screen[i][16]=W;
+			} 
+		}
+		screen[16][16]=W;
+		screen[17][16]=W;
+		
+		screen[2][17]=W;
+		screen[6][17]=W;
+		screen[19][17]=W;
+		for(i=12;i<17;i++)
+		{
+			screen[i][17]=W;
+		}
+		
+		for(i=2;i<11;i=i+2)
+		{
+			screen[i][18]=W;
+		}
+		screen[9][18]=W;
+		screen[18][18]=W;
+		
+		for(i=2;i<9;i=i+2)
+		{
+			screen[i][19]=W;
+		}
+		screen[3][19]=W;
+		screen[20][19]=W;
+		for(i=10;i<19;i++)
+		{
+			screen[i][19]=W;
+		}
+		
+		screen[8][20]=W;
+		
+		screen[0][15]=P;
+		screen[0][17]=E;
+		screen[16][15]=K;
+	}
+	else if(level==-1)
+	{
+		for(i=0;i<22;i++)
+		{
+			for(j=0;j<22;j++)
+			{
+				screen[i][j]=' ';
+			}
+		}
+	}
+}
+void print_map(void)
+{
+	int i,j;
+	
+	system("cls");
+	for(i=0;i<22;i++)
+	{
+		for(j=0;j<22;j++)
+		{
+			printf("%c",screen[i][j]);
+		}
+		printf("\n");
+	}
+}
+void judge(int level)
+{
+	char move;
+	int i,j,k,l,m,n;
+	
+	if(level==0)
+	{
+		i=0;
+		j=2;
+		k=21;
+		l=15;
+		m=8;
+		n=18;
+	}
+	else if(level==1)
+	{
+		i=0;
+		j=15;
+		k=0;
+		l=17;
+		m=16;
+		n=15;
+	}
+	print_map();
+	while(screen[k][l]!=P)
+	{
+		gotoxy(j,i);
+		move=getch();
+		switch(move)
+		{
+			case 'w':
+				if(i!=0&&screen[i-1][j]!=W&&screen[i-1][j]!=E)
+				{
+					screen[i][j]=' ';
+					gotoxy(j,i);
+					printf("%c",screen[i][j]);
+					i--;
+					screen[i][j]=P;
+					gotoxy(j,i);
+					printf("%c",screen[i][j]);
+				}
+				break;
+			case 's':
+				if(i!=21&&screen[i+1][j]!=W&&screen[i+1][j]!=E)
+				{
+					screen[i][j]=' ';
+					gotoxy(j,i);
+					printf("%c",screen[i][j]);
+					i++;
+					screen[i][j]=P;	
+					gotoxy(j,i);
+					printf("%c",screen[i][j]);				
+				}
+				break;
+			case 'a':
+				if(j!=0&&screen[i][j-1]!=W&&screen[i][j-1]!=E)
+				{
+					screen[i][j]=' ';
+					gotoxy(j,i);
+					printf("%c",screen[i][j]);	
+					j--;
+					screen[i][j]=P;	
+					gotoxy(j,i);
+					printf("%c",screen[i][j]);					
+				}
+				break;
+			case 'd':
+				if(j!=21&&screen[i][j+1]!=W&&screen[i][j+1]!=E)
+				{
+					
+					screen[i][j]=' ';
+					gotoxy(j,i);
+					printf("%c",screen[i][j]);	
+					j++;
+					screen[i][j]=P;	
+					gotoxy(j,i);
+					printf("%c",screen[i][j]);					
+				}
+				break;
+			case 27:
+				return ;	
+			default:
+			    ;			
+		}
+		if(screen[m][n]!=K&&screen[k][l]!=P)
+		{
+			screen[k][l]=' ';
+			gotoxy(l,k);
+			printf("%c",screen[k][l]);
+		}
+		
+	}
+	system("cls");
+	printf("YOU WIN!\n");
+	system("pause");
+}
+void gotoxy(int x, int y)//该部分是借用某大神的 
+{
+	HANDLE hOutput;
+	COORD coo;
+	coo.X = x;
+	coo.Y = y;
+	hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
+	SetConsoleCursorPosition(hOutput, coo);
+}
diff --git a/practices/c/level1/p10_pushBoxes/map1.txt b/practices/c/level1/p10_pushBoxes/map1.txt
new file mode 100644
index 00000000..a4fb6b16
--- /dev/null
+++ b/practices/c/level1/p10_pushBoxes/map1.txt
@@ -0,0 +1,20 @@
+0 0 0 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 0 0 5 2 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+5 5 5 5 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+5 2 3 0 3 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0
+5 5 5 1 3 0 2 5 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 5 3 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 5 2 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 0 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0    
\ No newline at end of file
diff --git a/practices/c/level1/p10_pushBoxes/map2.txt b/practices/c/level1/p10_pushBoxes/map2.txt
new file mode 100644
index 00000000..e34a393a
--- /dev/null
+++ b/practices/c/level1/p10_pushBoxes/map2.txt
@@ -0,0 +1,20 @@
+5 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+5 1 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+5 0 3 3 5 0 5 5 5 0 0 0 0 0 0 0 0 0 0 0
+5 0 3 0 5 0 5 2 5 0 0 0 0 0 0 0 0 0 0 0
+5 5 5 0 5 5 5 2 5 0 0 0 0 0 0 0 0 0 0 0
+0 5 5 0 0 0 0 2 5 0 0 0 0 0 0 0 0 0 0 0
+0 5 0 0 0 5 0 0 5 0 0 0 0 0 0 0 0 0 0 0
+0 5 0 0 0 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0
+0 5 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0   
diff --git a/practices/c/level1/p10_pushBoxes/map3.txt b/practices/c/level1/p10_pushBoxes/map3.txt
new file mode 100644
index 00000000..1e797840
--- /dev/null
+++ b/practices/c/level1/p10_pushBoxes/map3.txt
@@ -0,0 +1,20 @@
+0 5 5 5 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0 
+0 5 0 0 0 0 0 5 5 5 0 0 0 0 0 0 0 0 0 0
+5 5 3 5 5 5 0 0 0 5 0 0 0 0 0 0 0 0 0 0
+5 0 1 0 3 0 0 3 0 5 0 0 0 0 0 0 0 0 0 0 
+5 0 2 2 5 0 3 0 5 5 0 0 0 0 0 0 0 0 0 0 
+5 5 2 2 5 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 
+0 5 5 5 5 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/practices/c/level1/p10_pushBoxes/map4.txt b/practices/c/level1/p10_pushBoxes/map4.txt
new file mode 100644
index 00000000..91976f39
--- /dev/null
+++ b/practices/c/level1/p10_pushBoxes/map4.txt
@@ -0,0 +1,20 @@
+0 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+5 5 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+5 1 3 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+5 5 3 0 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+5 5 0 3 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+5 2 3 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+5 2 2 4 2 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+5 5 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/practices/c/level1/p10_pushBoxes/map5.txt b/practices/c/level1/p10_pushBoxes/map5.txt
new file mode 100644
index 00000000..6cbe4671
--- /dev/null
+++ b/practices/c/level1/p10_pushBoxes/map5.txt
@@ -0,0 +1,20 @@
+0 5 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 5 1 0 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 5 0 3 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0
+5 5 5 0 5 0 5 5 0 0 0 0 0 0 0 0 0 0 0 0
+5 2 5 0 5 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0
+5 2 3 0 0 5 0 5 0 0 0 0 0 0 0 0 0 0 0 0
+5 2 0 0 0 3 0 5 0 0 0 0 0 0 0 0 0 0 0 0
+5 5 5 5 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
diff --git a/practices/c/level1/p10_pushBoxes/map6.txt b/practices/c/level1/p10_pushBoxes/map6.txt
new file mode 100644
index 00000000..3582b93a
--- /dev/null
+++ b/practices/c/level1/p10_pushBoxes/map6.txt
@@ -0,0 +1,20 @@
+0 0 0 5 5 5 5 5 5 5 0 0 0 0 0 0 0 0 0 0 
+0 0 5 5 0 0 5 0 1 5 0 0 0 0 0 0 0 0 0 0
+0 0 5 0 0 0 5 0 0 5 0 0 0 0 0 0 0 0 0 0
+0 0 5 3 0 3 0 3 0 5 0 0 0 0 0 0 0 0 0 0
+0 0 5 0 3 5 5 0 0 5 0 0 0 0 0 0 0 0 0 0
+5 5 5 0 3 0 5 0 5 5 0 0 0 0 0 0 0 0 0 0
+5 2 2 2 2 2 0 0 5 0 0 0 0 0 0 0 0 0 0 0
+5 5 5 5 5 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
diff --git a/practices/c/level1/p10_pushBoxes/map7.txt b/practices/c/level1/p10_pushBoxes/map7.txt
new file mode 100644
index 00000000..10fb7eab
--- /dev/null
+++ b/practices/c/level1/p10_pushBoxes/map7.txt
@@ -0,0 +1,20 @@
+0 0 0 5 5 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0
+0 5 5 5 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 
+5 5 2 0 3 5 5 0 5 5 0 0 0 0 0 0 0 0 0 0
+5 2 2 3 0 3 0 0 1 5 0 0 0 0 0 0 0 0 0 0 
+5 2 2 0 3 0 3 0 5 5 0 0 0 0 0 0 0 0 0 0
+5 5 5 5 5 5 0 0 5 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
diff --git a/practices/c/level1/p10_pushBoxes/pushbox.c b/practices/c/level1/p10_pushBoxes/pushbox.c
new file mode 100644
index 00000000..4595b10f
--- /dev/null
+++ b/practices/c/level1/p10_pushBoxes/pushbox.c
@@ -0,0 +1,512 @@
+#include<stdio.h>
+#include<stdbool.h>
+#include<windows.h>
+#define P 148  //player-1
+#define G 176  //goal-2
+#define B 177  //box-3
+#define BG 178  //box on goal-4
+#define W 219  //wall-5
+#define PG 232  //player on goal-6
+/*todolist
+1.read map;
+2.print map&you;
+3.move it:1)input;2)canyoumove?;
+4.judge if you win;
+5.score;*/ 
+void gotoxy(int x,int y);
+void print_map(void);
+void print_block(int n);
+void move(int level);
+bool judge(int level);
+int wasd(int * x,int * y,char way);
+void load_map(int n);
+
+int block[20][20];//0：空位 1：人物 2：目标位置 3：箱子 4：放在目标位置的箱子 5：墙 6：站在目标位置的人物 
+int score=0;
+
+int main(void)
+{
+	char jud;
+	
+	system("chcp 437");
+	system("mode con cols=32 lines=23");
+	system("cls");
+	
+	printf("Push Box\n");
+	printf("Please choose a map\n");
+	printf("1  2  3  4  5  6  7  q.quit\n");
+	while((jud=getch())!='q')
+	{
+		system("cls");	
+		score=0;	
+		switch(jud)
+		{
+			case '1':
+				load_map(0);
+				print_map();
+				move(0); 
+				break;
+			case '2':
+				load_map(1);
+				print_map();
+				move(1);
+				break;
+			case '3':
+				load_map(2);
+				print_map();
+				move(2);
+				break;
+			case '4':
+				load_map(3);
+				print_map();
+				move(3);
+				break;
+			case '5':
+				load_map(4);
+				print_map();
+				move(4);
+				break;
+			case '6':
+				load_map(5);
+				print_map();
+				move(5);
+				break;
+			case '7':
+				load_map(6);
+				print_map();
+				move(6);
+				break;
+			case 'q':
+				return 0;
+			default:
+				;
+		}
+		system("cls");
+		printf("Push Box\n");
+		printf("Please choose a map\n");
+		printf("1  2  3  4  5  6  7  q.quit\n");
+	}
+	
+	return 0;
+}
+void move(int level)
+{
+	int i,j;
+	char jud;
+	
+	if(level==0)
+	{
+		i=4;
+		j=3;
+	}
+	else if(level==1)
+	{
+		i=1;
+		j=1;
+	}
+	else if(level==2)
+	{
+		i=3;
+		j=2;
+	}
+	else if(level==3)
+	{
+		i=2;
+		j=1;
+	}
+	else if(level==4)
+	{
+		i=1;
+		j=2;
+	}
+	else if(level==5)
+	{
+		i=1;
+		j=8;
+	}
+	else if(level==6)
+	{
+		i=3;
+		j=8;
+	 } 
+	while(judge(level))
+	{
+		jud=getch();
+		if(!wasd(&i,&j,jud))
+		{
+			return;
+		}
+		gotoxy(21,0);
+		printf("score:%4d",score);
+	}
+	system("cls");
+	printf("You win!\n");
+	printf("Your step is %4d.\n",score);
+	system("pause");
+	
+}
+int wasd(int * x,int * y,char way)
+{
+	int di,dj;
+	
+	switch(way)
+	{
+		case 'w':
+			di=-1;
+			dj=0;
+			break;
+		case 's':
+			di=1;
+			dj=0;
+			break;
+		case 'a':
+			di=0;
+			dj=-1;
+			break;
+		case 'd':
+			di=0;
+			dj=1;
+			break;
+		case 27:
+			return 0;
+		default:
+			return;
+	}
+	if(block[*x+di][*y+dj]==0)
+	{
+		if(block[*x][*y]==6)
+		{
+			block[*x][*y]=2;
+			block[*x+di][*y+dj]=1;
+		}
+		else if(block[*x][*y]==1)
+		{
+			block[*x][*y]=0;
+			block[*x+di][*y+dj]=1;
+		}
+		
+		gotoxy(*y,*x);
+		print_block(block[*x][*y]);
+		*x=*x+di;
+		*y=*y+dj;
+		gotoxy(*y,*x);
+		print_block(block[*x][*y]);
+		score++;
+    }
+    else if(block[*x+di][*y+dj]==2)
+	{
+		if(block[*x][*y]==6)
+		{
+			block[*x][*y]=2;
+			block[*x+di][*y+dj]=6;
+		}
+		else if(block[*x][*y]==1)
+		{
+			block[*x][*y]=0;
+			block[*x+di][*y+dj]=6;
+		}
+
+		gotoxy(*y,*x);
+		print_block(block[*x][*y]);
+		*x=*x+di;
+		*y=*y+dj;
+		gotoxy(*y,*x);
+		print_block(block[*x][*y]);
+		score++;
+	}
+    else if(block[*x+di][*y+dj]==3)
+    {
+		if(block[*x][*y]==6)
+		{
+			if(block[*x+2*di][*y+2*dj]==0)
+			{
+				block[*x+2*di][*y+2*dj]=3;
+				block[*x+di][*y+dj]=1;
+				block[*x][*y]=2;
+				score++;
+			}
+		    else if(block[*x+2*di][*y+2*dj]==2)
+			{
+				block[*x+2*di][*y+2*dj]=4;
+				block[*x+di][*y+dj]=1;
+				block[*x][*y]=2;
+				score++;
+			}
+			else
+			{
+				return;
+			}
+		}
+		else
+		{
+			if(block[*x+2*di][*y+2*dj]==0)
+			{
+				block[*x+2*di][*y+2*dj]=3;
+				block[*x+di][*y+dj]=1;
+				block[*x][*y]=0;
+				score++;
+			}
+			else if(block[*x+2*di][*y+2*dj]==2)
+			{
+				block[*x+2*di][*y+2*dj]=4;
+				block[*x+di][*y+dj]=1;
+				block[*x][*y]=0;
+				score++;
+			}
+			else
+			{
+				return;
+			}
+		}
+		gotoxy(*y,*x);
+		print_block(block[*x][*y]);
+		*x=*x+di;
+		*y=*y+dj;
+		gotoxy(*y,*x);
+		print_block(block[*x][*y]);
+		gotoxy(*y+dj,*x+di);
+		print_block(block[*x+di][*y+dj]);
+	}
+	else if(block[*x+di][*y+dj]==4)
+	{
+		if(block[*x][*y]==6)
+		{
+			if(block[*x+2*di][*y+2*dj]==0)
+			{
+				block[*x+2*di][*y+2*dj]=3;
+				block[*x+di][*y+dj]=6;
+				block[*x][*y]=2;
+				score++;
+			}
+			else if(block[*x+2*di][*y+2*dj]==2)
+			{
+				block[*x+2*di][*y+2*dj]=4;
+				block[*x+di][*y+dj]=6;
+				block[*x][*y]=2;
+				score++;
+			}
+			else
+			{
+				return;
+			}
+		}
+		else
+		{
+			if(block[*x+2*di][*y+2*dj]==0)
+			{
+				block[*x+2*di][*y+2*dj]=3;
+				block[*x+di][*y+dj]=6;
+				block[*x][*y]=0;
+				score++;
+			}
+			else if(block[*x+2*di][*y+2*dj]==2)
+			{
+				block[*x+2*di][*y+2*dj]=4;
+				block[*x+di][*y+dj]=6;
+				block[*x][*y]=0;
+				score++;
+			}
+			else
+			{
+				return;
+			}
+		}
+		gotoxy(*y,*x);
+		print_block(block[*x][*y]);
+		*x=*x+di;
+		*y=*y+dj;
+		gotoxy(*y,*x);
+		print_block(block[*x][*y]);
+		gotoxy(*y+dj,*x+di);
+		print_block(block[*x+di][*y+dj]);	
+	}
+	
+	return 1;
+}
+void load_map(int n)
+{
+	FILE *fp;
+	int i,j;
+	
+	if(n==0)
+	{
+		fp=fopen("map1.txt","r");
+	}
+	else if(n==1)
+	{
+		fp=fopen("map2.txt","r");
+	}
+	else if(n==2)
+	{
+		fp=fopen("map3.txt","r");
+	}
+	else if(n==3)
+	{
+		fp=fopen("map4.txt","r");
+	}
+	else if(n==4)
+	{
+		fp=fopen("map5.txt","r");
+	}	
+	else if(n==5)
+	{
+		fp=fopen("map6.txt","r");
+	}
+	else if(n==6)
+	{
+		fp=fopen("map7.txt","r");
+	}
+	for(i=0;i<20;i++)
+	{
+		for(j=0;j<20;j++)
+		{
+			fscanf(fp,"%d",&block[i][j]);
+		}
+	}
+	fclose(fp);
+
+}
+void print_block(int n)
+{
+	if(n==0)
+	{
+		putchar(' ');
+	}
+	else if(n==1)
+	{
+		putchar(P);
+	}
+	else if(n==2)
+	{
+		putchar(G);
+	}
+	else if(n==3)
+	{
+		putchar(B);
+	}
+	else if(n==4)
+	{
+		putchar(BG);
+	}
+	else if(n==5)
+	{
+		putchar(W);
+	}
+	else if(n==6)
+	{
+		putchar(PG);
+	} 
+
+}
+bool judge(int level)
+{
+	if(level==0)
+	{
+		if(block[3][1]==4&&block[1][4]==4&&
+		   block[4][6]==4&&block[6][3]==4)
+		{
+			return 0;
+		}
+		else
+		{
+			return 1;
+		}
+	}
+	else if(level==1)
+	{
+		if(block[3][7]==4&&block[4][7]==4&&
+		   block[5][7]==4)
+		{
+			return 0;
+		}
+		else
+		{
+			return 1;
+		}
+	} 
+	else if(level==2)
+	{
+		if(block[4][2]==4&&block[4][3]==4&&
+		   block[5][2]==4&&block[5][3]==4)
+		{
+			return 0;
+		}
+		else
+		{
+			return 1;
+		}
+    }
+    else if(level==3)
+	{
+		if(block[5][1]==4&&block[6][3]==4&&
+		   block[6][1]==4&&block[6][2]==4&&
+		   block[6][4]==4)
+		{
+			return 0;
+		}
+		else
+		{
+			return 1;
+		}
+    }
+    else if(level==4)
+	{
+		if(block[4][1]==4&&block[5][1]==4&&
+		   block[6][1]==4)
+		{
+			return 0;
+		}
+		else
+		{
+			return 1;
+		}
+    }
+    else if(level==5)
+	{
+		if(block[6][1]==4&&block[6][2]==4&&
+		   block[6][3]==4&&block[6][4]==4&&
+		   block[6][5]==4)
+		{
+			return 0;
+		}
+		else
+		{
+			return 1;
+		}
+    }
+    else if(level==6)
+	{
+		if(block[2][2]==4&&block[3][2]==4&&
+		   block[4][2]==4&&block[3][1]==4&&
+		   block[4][1]==4)
+		{
+			return 0;
+		}
+		else
+		{
+			return 1;
+		}
+    }
+}
+void print_map(void)
+{
+	int i,j;
+	
+	for(i=0;i<20;i++)
+	{
+		for(j=0;j<20;j++)
+		{
+			print_block(block[i][j]);
+		}
+		printf("\n");
+	}
+}
+void gotoxy(int x, int y)
+{
+	HANDLE hOutput;
+	COORD coo;
+	coo.X = x;
+	coo.Y = y;
+	hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
+	SetConsoleCursorPosition(hOutput, coo);
+}
diff --git a/practices/c/level1/p11_linkedList/link_list.c b/practices/c/level1/p11_linkedList/link_list.c
new file mode 100644
index 00000000..2b1f0bb8
--- /dev/null
+++ b/practices/c/level1/p11_linkedList/link_list.c
@@ -0,0 +1,116 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<stdbool.h>
+
+struct list
+{
+	int num;
+	int value;
+	struct list *next;	
+};
+void _display(struct list *head);
+void is_five(struct list *head);
+struct list *exchange(struct list *head,int n);
+struct list *move(struct list *head,int n);
+int main(void)
+{
+	struct list *_link,*_head,*q;
+	int m,i=0,j;
+	
+	_link=q=(struct list*)malloc(sizeof(struct list));
+	
+	printf("Now you can start to enter the value.(q to quit)\n");
+	_head=NULL;
+	while(1==scanf("%d",&m))
+	{
+		if(0==i)
+		{
+			_head=_link;
+		}
+		else
+		{
+			_link->next=q;
+			_link=q;
+		}
+		_link->num=i+1;
+		_link->value=m;
+		
+		q=(struct list*)malloc(sizeof(struct list));
+		
+		
+		i++;
+	}
+	_link->next=NULL;
+	free(q);
+	_display(_head);
+	_head=exchange(_head,i);
+	is_five(_head);
+	
+	system("pause");
+	 
+	return 0;
+}
+void _display(struct list *head)
+{
+	struct list *cp;
+	
+	cp=head;
+	while(cp!=NULL)
+	{
+		printf("No.%d is %d\n",cp->num,cp->value);
+		cp=cp->next;
+	}
+	
+	return;
+}
+struct list *move(struct list *head,int n)
+{
+	struct list *cp;
+	int i;
+	
+	cp=head;
+	for(i=0;i<n-1;i++)
+	{
+		cp=cp->next;
+	}
+	
+	return cp;
+}
+struct list *exchange(struct list *head,int n)
+{
+	struct list *ch1,*ch2;
+	int i;
+	
+	ch1=head;
+	ch2=move(ch1,n);
+	head=ch2;
+	for(i=n;i>1;i--)
+	{
+		ch2->next=move(ch1,i-1);
+		ch2=ch2->next;
+	}
+	ch2->next=NULL;
+	
+	return head;
+	
+}
+void is_five(struct list *head)
+{
+	struct list *ch;
+	bool flag=0;
+	ch=head;
+	while(ch!=NULL)
+	{
+		if(5==ch->value)
+		{
+			printf("%d\n",ch->num);
+			flag=1;
+		}
+		ch=ch->next;
+	}
+	
+	if(!flag)
+	{
+		printf("-1\n");
+	}
+}
diff --git a/practices/c/level1/p12_warehouse/warehouse.c b/practices/c/level1/p12_warehouse/warehouse.c
new file mode 100644
index 00000000..122923c9
--- /dev/null
+++ b/practices/c/level1/p12_warehouse/warehouse.c
@@ -0,0 +1,177 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<conio.h>
+/*todolist
+1.read datas;
+2.界面;
+3.input&处理;
+4.处理数据; 
+5.write to file;*/ 
+typedef struct goods
+{
+	char name[16],size[4];
+	long long int amount;
+	
+}GOODS;
+
+void menu(GOODS * Goods,int * n);
+void write(GOODS * Goods,int n);
+void display(GOODS * Goods,int n);
+void input(GOODS** Goods,int * n);
+void output(GOODS** Goods,int * n);
+long long int is_num(void);
+
+int main(void){
+	FILE *fp;
+	int max,i;
+	
+	fp=fopen("warehouse.txt","r");
+	fscanf(fp,"%d",&max);
+	
+	GOODS list[100];
+	for(i=0;i<max;i++){
+		fscanf(fp,"%s",list[i].name);
+		system("pause");
+		fscanf(fp,"%lld",&list[i].amount);
+		system("pause");
+		fscanf(fp,"%s",(list[i].size));
+	}
+	for(;i<100;i++){
+		list[i].amount=0;
+	}
+	fclose(fp);
+
+	menu(list,&max);
+	
+	return 0;
+}
+void menu(GOODS * Goods,int * n){
+	char judge;
+
+	do{
+		system("cls");
+		printf("Welcome to warehouse!\n");
+		printf("What do you want to do\n");
+		printf("2.display\t3.input\n");
+		printf("4.output\t 5.quit\n");
+		judge=getch();
+		switch(judge){
+			case '2':
+				display(Goods,*n);
+				system("pause");
+				break;
+			case '3':
+				input(&Goods,n);
+				break;
+			case '4':
+				output(&Goods,n);
+				break;
+			case '5':
+				return;
+			default:
+				printf("Please enter a right number\n");
+				system("pause");
+		}
+		write(Goods,*n);
+	}while(judge!='5');
+}
+void display(GOODS * Goods,int n){
+	system("cls");
+	for(int i=0;i<n;i++){
+		if(0==Goods[i].amount)continue;
+		printf("%d.%15s:%d\tSize:%s\n",i+1,Goods[i].name,Goods[i].amount,Goods[i].size);
+	
+	}
+}
+void write(GOODS * Goods,int n){
+	FILE * fp;
+	
+	fp=fopen("warehouse.txt","w");
+	fprintf(fp,"%d\n",n);
+	for(int i=0;i<n;i++){
+		if(0==Goods[i].amount)continue;
+		fprintf(fp,"%s\n",Goods[i].name);
+		fprintf(fp,"%lld\n",Goods[i].amount);
+		fprintf(fp,"%s\n",Goods[i].size);
+	}
+	fclose(fp);
+}
+void input(GOODS** Goods,int * n){
+	int judge;
+	
+	do{
+		display(*Goods,*n);
+		printf("Which do you want to input?(enter the number)\n");
+		printf("0 to quit\n");
+		if(1==scanf("%d",&judge)){
+			fflush(stdin);
+			if(0==judge)return;
+			if(0==(*Goods)[judge-1].amount){
+				printf("Do you want to add a kind of new goods?(y to continue)\n");
+				if(getch()=='y'){
+					printf("Please enter the name:(in 15 words)\n");
+					scanf("%s",(*Goods)[judge-1].name);
+					printf("Please enter the amount\n");
+					(*Goods)[judge-1].amount=is_num();
+					printf("Please enter the size(s/m/l)\n");
+					fflush(stdin);
+					scanf("%s",(*Goods)[judge-1].size);	
+				}
+				*n=*n+1;	
+			}
+			else{
+				printf("How many %s do you want?\n",(*Goods)[judge-1].name);
+				(*Goods)[judge-1].amount=(*Goods)[judge-1].amount+is_num();
+			}
+		}
+		write(*Goods,*n);
+	}while(0!=judge);
+	
+
+}
+void output(GOODS** Goods,int * n){
+	int judge;
+	long long int delta;
+	do{
+		display(*Goods,*n);
+		printf("Which do you want to output?(enter the number)\n");
+		printf("0 to quit\n");
+		if(1==scanf("%d",&judge)){
+			fflush(stdin);
+			if(0==judge)return;
+			if(0==(*Goods)[judge-1].amount){
+				
+				printf("error\n");
+				system("pause");	
+			}
+			else{
+				printf("How many %s do you want to out put?\n",(*Goods)[judge+1].name);
+				delta=is_num();
+				if(delta<(*Goods)[judge-1].amount){
+					(*Goods)[judge-1].amount=(*Goods)[judge-1].amount-is_num();
+				}
+				else{
+					(*Goods)[judge-1].amount=0;
+				}
+			}
+		}
+		write(*Goods,*n);
+	}while(0!=judge);
+	
+
+}
+long long int is_num(void){
+	long long int n;
+	int right;
+
+	right=scanf("%lld",&n);
+	while(0==right){
+		printf("Error,please enter again.\n");
+		fflush(stdin);
+		right=scanf("%lld",&n);
+	}
+	
+	if(n>=0)return n;
+	else return 0;
+	
+}
diff --git a/practices/c/level1/p12_warehouse/warehouse.txt b/practices/c/level1/p12_warehouse/warehouse.txt
new file mode 100644
index 00000000..1431c615
--- /dev/null
+++ b/practices/c/level1/p12_warehouse/warehouse.txt
@@ -0,0 +1,7 @@
+3
+God_WXZ
+1
+xxl
+list2
+1
+s
diff --git a/practices/cpp/level1/p01_Queue/Queue.cpp b/practices/cpp/level1/p01_Queue/Queue.cpp
new file mode 100644
index 00000000..822bc2e4
--- /dev/null
+++ b/practices/cpp/level1/p01_Queue/Queue.cpp
@@ -0,0 +1,63 @@
+#include "Queue.h"
+#include<iostream>
+using std::cout;
+using std::endl;
+void Queue::disp(){
+	if(head<tail){
+		cout<<"head"<<'|';
+		for(int i=head;i<tail;i++){
+			cout<<data[i]<<'|';
+		}
+		cout<<"tail"<<endl;
+	}
+	else{
+		cout<<"head"<<'|';
+		for(int i=head;i<30;i++){
+			cout<<data[i]<<'|';
+		}
+		for(int i=0;i<tail;i++){
+			cout<<data[i]<<'|';
+		}
+		cout<<"tail"<<endl;
+	}
+}
+void Queue::append(double item){
+	data[tail]=item;
+	if(29==tail){
+		tail=0;
+	}
+	else{
+		++tail;
+	}
+	if(tail==head){
+		flag1=1;
+	}
+	else{
+		flag1=0;
+	}
+	flag2=0;
+}
+void Queue::pop(){
+	data[head]=0;
+	if(29==head){
+		head=0;
+	}
+	else{
+		head++;
+	}
+	if(head==tail){
+		flag2=1;
+	}
+	else{
+		flag2=0;
+	}
+	flag1=0;
+}
+bool Queue::isNull(){
+	if(flag2)return true;
+	return false;
+}
+bool Queue::isFull(){
+	if(flag1)return true;
+	return false;
+}
diff --git a/practices/cpp/level1/p01_Queue/Queue.h b/practices/cpp/level1/p01_Queue/Queue.h
new file mode 100644
index 00000000..620e6fec
--- /dev/null
+++ b/practices/cpp/level1/p01_Queue/Queue.h
@@ -0,0 +1,20 @@
+#ifndef QUEUE_H
+#define QUEUE_H
+
+class Queue
+{
+	public:
+		void disp();
+		void append(double item);
+		void pop();
+		bool isNull();
+		bool isFull();
+	protected:
+	private:
+		double data[30]={0};
+		int head=0;
+		int tail=0;
+		bool flag1=0,flag2=1; 
+};
+
+#endif
diff --git a/practices/cpp/level1/p01_Queue/myQueue.cpp b/practices/cpp/level1/p01_Queue/myQueue.cpp
new file mode 100644
index 00000000..f45ed245
--- /dev/null
+++ b/practices/cpp/level1/p01_Queue/myQueue.cpp
@@ -0,0 +1,57 @@
+#include<iostream>
+#include<conio.h>
+#include<windows.h>
+#include"Queue.h"
+/*todolist
+1.append;
+2.pop;
+3.isFull?;
+4.isNull?; */ 
+int main(){
+	using std::cout;
+	using std::cin;
+	char ch;
+	double n;
+	Queue queue;
+	
+	do{
+		system("cls");
+		cout<<"The queue:\n";
+		if(!queue.isNull()){
+			queue.disp();
+		}
+		else{
+			cout<<"Null\n";
+		}
+		cout<<"What do you want to do?\n";
+		cout<<"1.append  2.pop  q.quit\n";
+		ch=getch();
+		switch(ch){
+			case '1':
+				if(!queue.isFull()){
+					cout<<"Please enter a number:\n";
+					cin>>n;
+					queue.append(n);
+				}
+				else{
+					cout<<"The queue is full\n";
+					system("pause");
+				}
+				break;
+			case '2':
+				if(!queue.isNull()){
+					queue.pop();
+				}
+				else{
+					cout<<"The queue is null\n";
+					system("pause");
+				}
+				break;
+			case 'q':
+				return 0;
+			default:
+				break;
+		}
+	}while(1);
+	return 0;
+}
diff --git a/practices/cpp/level1/p02_Stack/Stack.h b/practices/cpp/level1/p02_Stack/Stack.h
new file mode 100644
index 00000000..514ec148
--- /dev/null
+++ b/practices/cpp/level1/p02_Stack/Stack.h
@@ -0,0 +1,71 @@
+#ifndef STACK_H
+#define STACK_H
+using std::cout;
+using std::endl;
+template <class T>
+class Stack
+{
+	private:
+		T *data;
+		int top;
+		bool flag;
+		int len;
+	public:
+		Stack(int item=100);
+		bool isFull();
+		bool isNull();
+		void disp();
+		void push(T item);
+		void pop();
+	protected:
+};
+template <class T>
+Stack<T>::Stack(int item){
+	len=item;
+	top=0;
+	flag=0;
+	T *p=new T[item];
+	data=p;
+}
+template <class T>
+void Stack<T>::disp(){
+	cout<<"top\n";
+	if(flag){
+		cout<<data[top]<<endl;
+	}
+	for(int i=top-1;i>=0;i--){
+		cout<<data[i]<<endl;
+	}
+	cout<<"bottom\n";
+}
+template <class T>
+void Stack<T>::push(T item){
+	data[top]=item;
+	if(top<len-1){
+		++top;
+	}
+	else{
+		flag=1;
+	}
+}
+template <class T>
+void Stack<T>::pop(){
+	if(len-1==top&&flag){
+		flag=0;
+		data[top]=0;
+		return;
+	}
+	data[top]=0;
+	--top;
+}
+template <class T>
+bool Stack<T>::isFull(){
+	if(flag)return true;
+	return false;
+}
+template <class T>
+bool Stack<T>::isNull(){
+	if(0==top)return true;
+	return false;
+}
+#endif
diff --git a/practices/cpp/level1/p02_Stack/main.cpp b/practices/cpp/level1/p02_Stack/main.cpp
new file mode 100644
index 00000000..dec2e979
--- /dev/null
+++ b/practices/cpp/level1/p02_Stack/main.cpp
@@ -0,0 +1,58 @@
+#include<iostream>
+#include<conio.h>
+#include"Stack.h"
+/*todolist
+1.append;
+2.pop;
+3.isFull?;
+4.isNull?; */ 
+int main(){
+	using std::cout;
+	using std::cin;
+	char ch;
+	int n;
+	cout<<"Please enter the size of you stack\n";
+	cin>>n;
+	Stack<int> stack(n);
+
+	do{
+		system("cls");
+		cout<<"The stack:\n";
+		if(!stack.isNull()){
+			stack.disp();
+		}
+		else{
+			std::cout<<"Null\n";
+		}
+		cout<<"What do you want to do?\n";
+		cout<<"1.push  2.pop  q.quit\n";
+		ch=getch();
+		switch(ch){
+			case '1':
+				if(!stack.isFull()){
+					cout<<"Please enter a number:\n";
+					cin>>n;
+					stack.push(n);	
+				}
+				else{
+					cout<<"The stack is full\n";
+					system("pause");
+				}
+				break;
+			case '2':
+				if(!stack.isNull()){
+					stack.pop();
+				}
+				else{
+					cout<<"The stack is null\n";
+					system("pause");
+				}
+				break;
+			case 'q':
+				return 0;
+			default:
+				break;
+		}
+	}while(1);
+	return 0;
+}
diff --git a/practices/cpp/level1/p03_SafeArray/Array.h b/practices/cpp/level1/p03_SafeArray/Array.h
new file mode 100644
index 00000000..e9dbda71
--- /dev/null
+++ b/practices/cpp/level1/p03_SafeArray/Array.h
@@ -0,0 +1,45 @@
+#ifndef ARRAY_H
+#define ARRAY_H
+using std::cout;
+template<class T>
+class Array
+{
+	private:
+		int max;
+		T * data;
+		T def;
+	public:
+		Array(int item=100);
+		T & operator[](int n);
+		void disp();
+	protected:
+};
+template<class T>
+Array<T>::Array(int item){
+	T *p=new T[item];
+	
+	max=item;
+	def=0;
+	data=p;
+	for(int i=0;i<max;i++){
+		data[i]=0;
+	}
+}
+template<class T>
+T & Array<T>::operator[](int n){
+	if(n>=max||n<=0){
+		cout<<"Error\n";
+		def=0;
+		return def;
+	}
+	
+	return data[n];
+}
+template<class T>
+void Array<T>::disp(){
+	for(int i=0;i<max;i++){
+		cout<<data[i]<<'\t';
+	} 
+	cout<<'\n';
+} 
+#endif
diff --git a/practices/cpp/level1/p03_SafeArray/main.cpp b/practices/cpp/level1/p03_SafeArray/main.cpp
new file mode 100644
index 00000000..07ddc3d4
--- /dev/null
+++ b/practices/cpp/level1/p03_SafeArray/main.cpp
@@ -0,0 +1,37 @@
+#include<iostream>
+#include<conio.h>
+#include"Array.h"
+using namespace std;
+
+int main(){
+	int n,i;
+	char ch;
+	
+	cout<<"Please enter the size of your array:\n";
+	cin>>n;
+	Array<double> array(n);
+	do{
+		system("cls");
+		cout<<"What do you want:\n";
+		cout<<"1.change 2.display 3.quit\n";
+		ch=getch();
+		switch(ch){
+			case '1':
+				cout<<"Which do you want to change:\n";
+				cin>>i;
+				cout<<"Change to:\n";
+				cin>>array[i];
+				break;
+			case '2':
+				array.disp();
+				system("pause");
+				break;
+			case '3':
+				return 0;
+			default:
+				;
+		}
+	}while(1);
+
+	return 0;
+}
diff --git a/practices/cpp/level1/p04_cppScoreManagement/Score.cpp b/practices/cpp/level1/p04_cppScoreManagement/Score.cpp
new file mode 100644
index 00000000..0cb42c66
--- /dev/null
+++ b/practices/cpp/level1/p04_cppScoreManagement/Score.cpp
@@ -0,0 +1,66 @@
+#include "Score.h"
+#include<iostream>
+#include<string>
+using std::string;
+using std::cout;
+using std::endl;
+using std::cin;
+Score::Score(string subject){
+	Subject=subject;
+	for(int i=0;i<30;i++){
+		student[i].name="";
+		student[i].number="";
+		student[i].score=0;	
+	}
+}
+void Score::disp(){
+	system("cls");
+	cout<<"Subject:"<<Subject<<endl;
+	for(int i=0;i<30;i++){
+		if(""==student[i].name)continue;
+		cout<<"Name:"<<student[i].name<<endl;
+		cout<<"Number:"<<student[i].number<<endl;
+		cout<<"Score:"<<student[i].score<<endl;
+	}
+}
+void Score::add(){
+	int index=-1;
+	for(int i=0;i<30;i++){
+		if(""==student[i].name){
+			index=i;
+			break;
+		}
+	}
+	if(-1==index){
+		cout<<"Full!\n";
+		system("pause");
+	}
+	else{
+		cout<<"Please enter student's name:\n";
+		getline(cin,student[index].name);
+		cout<<"Please enter student's number:\n";
+		getline(cin,student[index].number);
+	}
+}
+void Score::del(){
+	string input;
+	cout<<"Please enter the name you want to delete:\n";
+	cin>>input;
+	for(int i=0;i<30;i++){
+		if(student[i].name==input){
+			student[i].name="";
+			student[i].number="";
+			student[i].score=0;
+			break;
+		}
+	}
+}
+void Score::write(){
+	
+	for(int i=0;i<30;i++){
+		if(student[i].name!=""){
+			cout<<"Enter the score of "<<student[i].name<<":\n";
+			cin>>student[i].score;
+		}
+	}
+}
diff --git a/practices/cpp/level1/p04_cppScoreManagement/Score.h b/practices/cpp/level1/p04_cppScoreManagement/Score.h
new file mode 100644
index 00000000..ca52aef9
--- /dev/null
+++ b/practices/cpp/level1/p04_cppScoreManagement/Score.h
@@ -0,0 +1,24 @@
+#ifndef SCORE_H
+#define SCORE_H
+#include<string>
+using std::string;
+struct manage{
+	string name;
+	string number;
+	int score;
+};
+class Score
+{
+	private:
+		string Subject;
+		manage student[30];
+	public:
+		Score(string subject);
+		void disp();
+		void add();
+		void del();
+		void write();
+	protected:
+};
+
+#endif
diff --git a/practices/cpp/level1/p04_cppScoreManagement/main.cpp b/practices/cpp/level1/p04_cppScoreManagement/main.cpp
new file mode 100644
index 00000000..0ce9f887
--- /dev/null
+++ b/practices/cpp/level1/p04_cppScoreManagement/main.cpp
@@ -0,0 +1,69 @@
+#include<iostream>
+#include<string>
+#include<conio.h>
+#include"Score.h"
+using namespace std;
+int main(){
+	const string s1="c",s2="c++",s3="java";
+	Score ccpp[3]={Score(s1),Score(s2),Score(s3),};
+	char ch;
+	
+	do{
+		system("cls");
+		cout<<"What do you want to do?\n";
+		cout<<"Watch the list(1.c 2.c++ 3.java)\n";
+		cout<<"Add students(4.c 5.c++ 6.java)\n";
+		cout<<"Delete students(7.c 8.c++ 9.java)\n";
+		cout<<"Write the score(c.c p.c++ j.java)\n";
+		cout<<"Quit(0)\n";
+		ch=getch();
+		switch(ch){
+			case '1':
+				ccpp[0].disp();
+				system("pause");
+				break; 
+			case '2':
+				ccpp[1].disp();
+				system("pause");
+				break; 
+			case '3':
+				ccpp[2].disp();
+				system("pause");
+				break; 
+			case '4':
+				ccpp[0].add();
+				break;
+			case '5':
+				ccpp[1].add();
+				break;
+			case '6':
+				ccpp[2].add();
+				break;
+			case '7':
+				ccpp[0].del();
+				break;
+			case '8':
+				ccpp[1].del();
+				break;
+			case '9':
+				ccpp[2].del();
+				break;
+			case 'c':
+				ccpp[0].write();
+				break;
+			case 'p':
+				ccpp[1].write();
+				break;
+			case 'j':
+				ccpp[2].write();
+				break;
+			case '0':
+				return 0;
+			default:
+				;
+		}
+		 
+	}while(1);
+	
+	return 0;
+}
diff --git a/practices/cpp/level1/p05_Canvas/Canvas.cpp b/practices/cpp/level1/p05_Canvas/Canvas.cpp
new file mode 100644
index 00000000..61cb1ac5
--- /dev/null
+++ b/practices/cpp/level1/p05_Canvas/Canvas.cpp
@@ -0,0 +1,20 @@
+#include "Canvas.h"
+#include<iostream>
+
+Canvas::Canvas(){
+	i=0;
+}
+void Canvas::add(Shape & item){
+	if(i<10){
+		data[i]=&item;
+		i++;
+	}
+	else{
+		std::cout<<"Error,this Canvas is full!\n";
+	}
+}
+void Canvas::show(){
+	for(int j=0;j<i;j++){
+		data[j]->show();
+	}
+}
diff --git a/practices/cpp/level1/p05_Canvas/Canvas.h b/practices/cpp/level1/p05_Canvas/Canvas.h
new file mode 100644
index 00000000..1d46de34
--- /dev/null
+++ b/practices/cpp/level1/p05_Canvas/Canvas.h
@@ -0,0 +1,15 @@
+#ifndef CANVAS_H;
+#define CANVAS_H
+#include"Shape.h"
+class Canvas
+{
+		int i;
+		Shape *data[10];
+	public:
+		Canvas();
+		void add(Shape & item);
+		void show();
+	protected:
+};
+
+#endif
diff --git a/practices/cpp/level1/p05_Canvas/Shape.cpp b/practices/cpp/level1/p05_Canvas/Shape.cpp
new file mode 100644
index 00000000..27c85ca1
--- /dev/null
+++ b/practices/cpp/level1/p05_Canvas/Shape.cpp
@@ -0,0 +1,25 @@
+#include "Shape.h"
+#include<iostream>
+using std::cout;
+using std::endl;
+Shape::Shape(int a,int b){
+	x=a;
+	y=b;
+}
+void Shape::show(){
+	;
+}
+Circle::Circle(int a,int b,int c):Shape(a,b){
+	r=c;
+}
+Rect::Rect(int a,int b,int c,int d):Shape(a,b){
+	x_length=c;
+	y_length=d;
+}
+void Circle::show(){
+	cout<<"Circle: Center: X = "<<x<<" Y = "<<y<<" Parameter: R = "<<r<<endl;
+}
+void Rect::show(){
+	cout<<"Rectangle: Center: X = "<<x<<" Y = "<<y<<"\n\t  Parameter: length of X = "
+	<<x_length<<" length of Y = "<<y_length<<endl;
+}
diff --git a/practices/cpp/level1/p05_Canvas/Shape.h b/practices/cpp/level1/p05_Canvas/Shape.h
new file mode 100644
index 00000000..d8284b20
--- /dev/null
+++ b/practices/cpp/level1/p05_Canvas/Shape.h
@@ -0,0 +1,27 @@
+#ifndef SHAPE_H
+#define SHAPE_H
+
+class Shape
+{
+	public:
+		Shape(int a=0,int b=0);
+		virtual void show();
+	protected:
+		int x,y;
+};
+class Circle:public Shape
+{
+		int r;
+	public:
+		Circle(int a,int b,int c);
+		virtual void show(); 
+};
+class Rect:public Shape
+{
+		int x_length,y_length;
+	public:
+		Rect(int a,int b,int c,int d);
+		virtual void show(); 
+};
+
+#endif
diff --git a/practices/cpp/level1/p05_Canvas/main.cpp b/practices/cpp/level1/p05_Canvas/main.cpp
new file mode 100644
index 00000000..8453869b
--- /dev/null
+++ b/practices/cpp/level1/p05_Canvas/main.cpp
@@ -0,0 +1,15 @@
+#include<iostream>
+#include "Canvas.h"
+#include "Shape.h"
+int main(){
+	Canvas can1;
+	Circle c1(3,4,5),c2(1,0,1);
+	Rect r1(1,2,4,3);
+	
+	can1.add(c1);
+	can1.add(c2);
+	can1.add(r1);
+	can1.show();
+	
+	return 0;
+}
diff --git a/practices/cpp/level1/p06_CircleAndPoint/Circle.cpp b/practices/cpp/level1/p06_CircleAndPoint/Circle.cpp
new file mode 100644
index 00000000..f10cd558
--- /dev/null
+++ b/practices/cpp/level1/p06_CircleAndPoint/Circle.cpp
@@ -0,0 +1,28 @@
+#include "Circle.h"
+#include "Point.h"
+Circle::Circle(Point p,int R){
+	center=p;
+	r=R;
+}
+Circle::Circle(int X,int Y,int R){
+	center.move(X,Y);
+	r=R;
+}
+ostream & operator<<(ostream & os,const Circle & c){
+	os<<"X="<<c.center.x<<" Y="<<c.center.y<<" R="<<c.r;
+	
+	return os;
+}
+void Circle::move(int X,int Y){
+	center.x+=X;
+	center.y+=Y;
+}
+void Circle::change(int delta){
+	if(r>-delta){
+		r+=delta;
+	}
+}
+Circle Circle::operator+(Point p){
+	center.move(p);
+	return *this;
+}
diff --git a/practices/cpp/level1/p06_CircleAndPoint/Circle.h b/practices/cpp/level1/p06_CircleAndPoint/Circle.h
new file mode 100644
index 00000000..adbb0e2e
--- /dev/null
+++ b/practices/cpp/level1/p06_CircleAndPoint/Circle.h
@@ -0,0 +1,18 @@
+#ifndef CIRCLE_H
+#define CIRCLE_H
+#include "Point.h"
+class Circle
+{
+		Point center;
+		int r;
+	public:
+		Circle(Point p,int R=1);
+		Circle(int X,int Y,int R=1);
+		void move(int X,int Y);
+		void change(int delta);
+		friend ostream & operator<<(ostream & os,const Circle & c);
+		Circle operator+(Point p);
+	protected:
+};
+
+#endif
diff --git a/practices/cpp/level1/p06_CircleAndPoint/Point.cpp b/practices/cpp/level1/p06_CircleAndPoint/Point.cpp
new file mode 100644
index 00000000..a5409f39
--- /dev/null
+++ b/practices/cpp/level1/p06_CircleAndPoint/Point.cpp
@@ -0,0 +1,20 @@
+#include "Point.h"
+#include<iostream>
+using std::ostream;
+Point::Point(int X,int Y){
+	x=X;
+	y=Y;
+}
+void Point::move(int X,int Y){
+	x+=X;
+	y+=Y;
+}
+void Point::move(Point p){
+	x+=p.x;
+	y+=p.y;
+}
+ostream & operator<<(ostream & os,const Point & p){
+	os<<"X="<<p.x<<" Y="<<p.y;
+	
+	return os;
+}
diff --git a/practices/cpp/level1/p06_CircleAndPoint/Point.h b/practices/cpp/level1/p06_CircleAndPoint/Point.h
new file mode 100644
index 00000000..4dcbaa18
--- /dev/null
+++ b/practices/cpp/level1/p06_CircleAndPoint/Point.h
@@ -0,0 +1,17 @@
+#ifndef POINT_H
+#define POINT_H
+#include<iostream>
+using std::ostream;
+class Point
+{
+		
+	public:
+		int x,y;
+		Point(int X=0,int Y=0);
+		void move(int X,int Y);
+		void move(Point p);
+		friend ostream & operator<<(ostream & os,const Point & p);
+	protected:
+};
+
+#endif
diff --git a/practices/cpp/level1/p06_CircleAndPoint/main.cpp b/practices/cpp/level1/p06_CircleAndPoint/main.cpp
new file mode 100644
index 00000000..ae6eb39b
--- /dev/null
+++ b/practices/cpp/level1/p06_CircleAndPoint/main.cpp
@@ -0,0 +1,20 @@
+#include<iostream>
+#include "Point.h"
+#include "Circle.h"
+using namespace std;
+int main(){
+	Point p(3,4);
+	Circle circle1(p,5);
+	
+	cout<<circle1<<endl;
+	circle1.move(3,4);//圆心移动 （3，4）
+	cout<<circle1<<endl;
+	circle1.change(3);//半径+3 
+	cout<<circle1<<endl;
+	circle1.change(-7);//半径-7 
+	cout<<circle1<<endl;
+	circle1=circle1+p;//圆心移动 p 
+	cout<<circle1<<endl;
+	
+	return 0;
+}
diff --git a/practices/cpp/level1/p07_Circuit/Circuit.cpp b/practices/cpp/level1/p07_Circuit/Circuit.cpp
new file mode 100644
index 00000000..5a89236e
--- /dev/null
+++ b/practices/cpp/level1/p07_Circuit/Circuit.cpp
@@ -0,0 +1,38 @@
+#include "Circuit.h"
+#include<iostream>
+using std::cout;
+Circuit::Circuit(){
+	condition=0;
+	index=0;
+}
+void Circuit::add(Device * item){
+	if(index<10){
+		device[index]=item;
+		index++;
+	}
+	
+}
+void Circuit::on(){
+	condition=1;
+	for(int i=0;i<index;i++){
+		device[i]->on();
+	}
+	
+}
+void Circuit::off(){
+	condition=0;
+	for(int i=0;i<index;i++){
+		device[i]->off();
+	}
+}
+void Circuit::disp(){
+	if(condition){
+		cout<<"The circuit is on\n";
+	}
+	else{
+		cout<<"The circuit is off\n";
+	}
+	for(int i=0;i<index;i++){
+		device[i]->show();
+	}
+}
diff --git a/practices/cpp/level1/p07_Circuit/Circuit.h b/practices/cpp/level1/p07_Circuit/Circuit.h
new file mode 100644
index 00000000..1d5692c2
--- /dev/null
+++ b/practices/cpp/level1/p07_Circuit/Circuit.h
@@ -0,0 +1,18 @@
+#ifndef CIRCUIT_H
+#define CIRCUIT_H
+#include "Device.h"
+class Circuit
+{	
+		Device *device[10];
+		bool condition;
+		int index;
+	public:
+		Circuit();
+		void add(Device * item);
+		void on();
+		void off();
+		void disp();
+	protected:
+};
+
+#endif
diff --git a/practices/cpp/level1/p07_Circuit/Device.cpp b/practices/cpp/level1/p07_Circuit/Device.cpp
new file mode 100644
index 00000000..2457faee
--- /dev/null
+++ b/practices/cpp/level1/p07_Circuit/Device.cpp
@@ -0,0 +1,39 @@
+#include "Device.h"
+#include<iostream>
+using std::cout;
+using std::endl;
+Device::Device(){
+	condition=0;
+}
+Fan::Fan(int speed):Device(){
+	name="Fan";
+	this->speed=speed;
+}
+Light::Light(int illumination):Device(){
+	name="Light";
+	this->illumination=illumination;
+}
+void Fan::show(){
+	cout<<name;
+	if(condition){
+		cout<<": on ";
+		cout<<"speed: "<<speed<<endl;
+	}
+	else{
+		cout<<": off ";
+		cout<<"speed: 0\n";
+	}
+	
+}
+void Light::show(){
+	cout<<name;
+	if(condition){
+		cout<<": on ";
+		cout<<"illumination: "<<illumination<<endl;
+	}
+	else{
+		cout<<": off ";
+		cout<<"illumination: 0\n";
+	}
+	
+}
diff --git a/practices/cpp/level1/p07_Circuit/Device.h b/practices/cpp/level1/p07_Circuit/Device.h
new file mode 100644
index 00000000..75588f48
--- /dev/null
+++ b/practices/cpp/level1/p07_Circuit/Device.h
@@ -0,0 +1,35 @@
+#ifndef DEVICE_H
+#define DEVICE_H
+#include<iostream>
+class Device
+{
+	public:
+		Device();
+		virtual void on(){;};
+		virtual void off(){;};
+		virtual void show(){;};
+	protected:
+		std::string name;
+		bool condition;
+};
+class Fan:public Device
+{
+		int speed;
+	public:
+		Fan(int speed=10);
+		virtual void on(){condition=1;};
+		virtual void off(){condition=0;};
+		virtual void show();
+		
+};
+class Light:public Device
+{
+		int illumination;
+	public:
+		Light(int illumination=1);
+		virtual void on(){condition=1;};
+		virtual void off(){condition=0;};
+		virtual void show();
+};
+
+#endif
diff --git a/practices/cpp/level1/p07_Circuit/main.cpp b/practices/cpp/level1/p07_Circuit/main.cpp
new file mode 100644
index 00000000..90d6559f
--- /dev/null
+++ b/practices/cpp/level1/p07_Circuit/main.cpp
@@ -0,0 +1,16 @@
+#include<iostream>
+#include "Circuit.h"
+#include "Device.h"
+int main(){
+	Circuit circuit1;
+	Fan fan1;
+	Light light1;
+	circuit1.add(&fan1);
+	circuit1.add(&light1);
+	circuit1.on();
+	circuit1.disp();
+	circuit1.off();
+	circuit1.disp();
+	
+	return 0;
+}
diff --git a/practices/cpp/level1/p08_EmployeeAndSales/Employee.cpp b/practices/cpp/level1/p08_EmployeeAndSales/Employee.cpp
new file mode 100644
index 00000000..a716570d
--- /dev/null
+++ b/practices/cpp/level1/p08_EmployeeAndSales/Employee.cpp
@@ -0,0 +1,41 @@
+#include "Employee.h"
+#include<iostream>
+using std::cout;
+using std::endl;
+Employee::Employee(string name,int age,int rank){
+	this->name=name;
+	this->age=age;
+	this->rank=rank;
+	salary=this->rank*1000;
+}
+void Employee::change(string name,int age,int rank){
+	this->name=name;
+	this->age=age;
+	this->rank=rank;
+}
+void Employee::show(){
+	cout<<"Name:"<<name<<endl;
+	cout<<"Age:"<<age<<endl;
+	cout<<"Rank:"<<rank<<endl;
+	cout<<"Salary:"<<salary<<endl;
+}
+Sale::Sale(string name,int age,int rank,int sales):Employee(name,age,rank){
+	this->sales=sales;
+	salary=salary+0.2*sales;
+}
+void Sale::change(string name,int age,int rank){
+	this->name=name;
+	this->age=age;
+	this->rank=rank;
+}
+void Sale::setSales(int sales){
+	this->sales=sales;
+	salary=rank*1000+this->sales*0.2;
+}
+void Sale::show(){
+	cout<<"Name:"<<name<<endl;
+	cout<<"Age:"<<age<<endl;
+	cout<<"Rank:"<<rank<<endl;
+	cout<<"Sales:"<<sales<<endl;
+	cout<<"Salary:"<<salary<<endl;
+}
diff --git a/practices/cpp/level1/p08_EmployeeAndSales/Employee.h b/practices/cpp/level1/p08_EmployeeAndSales/Employee.h
new file mode 100644
index 00000000..31c788ab
--- /dev/null
+++ b/practices/cpp/level1/p08_EmployeeAndSales/Employee.h
@@ -0,0 +1,28 @@
+#ifndef EMPLOYEE_H
+#define EMPLOYEE_H
+#include<iostream>
+using std::string;
+class Employee
+{
+	public:
+		Employee(string name="NULL",int age=0,int rank=1);
+		virtual void change(string name,int age,int rank);
+		virtual void show();
+	protected:
+		string name;
+		int age;
+		int rank;
+		int salary;
+};
+class Sale:public Employee
+{
+		int sales;
+	public:
+		Sale(string name="NULL",int age=0,int rank=1,int sales=0);
+		virtual void change(string name,int age,int rank);
+		void setSales(int sales);
+		virtual void show();
+		
+};
+
+#endif
diff --git a/practices/cpp/level1/p08_EmployeeAndSales/main.cpp b/practices/cpp/level1/p08_EmployeeAndSales/main.cpp
new file mode 100644
index 00000000..48cbada1
--- /dev/null
+++ b/practices/cpp/level1/p08_EmployeeAndSales/main.cpp
@@ -0,0 +1,23 @@
+/*to do list
+1.Class Employee
+	name,age,rank
+	salary
+	show
+2.Class Sale(is-a-Employee)
+	set sales
+	salary
+	show
+*/
+#include<iostream>
+#include "Employee.h"
+int main(){
+	Employee person1("WXZ",19,1);
+	Sale person2("God Du",18,10);
+	person2.setSales(10000);
+	person2.change("Du",18,20);
+	
+	person1.show();
+	person2.show();
+	
+	return 0;
+}
diff --git a/practices/cpp/level1/p11_Fighters/TodoList.md b/practices/cpp/level1/p11_Fighters/TodoList.md
index 497725f5..33f5fd07 100755
--- a/practices/cpp/level1/p11_Fighters/TodoList.md
+++ b/practices/cpp/level1/p11_Fighters/TodoList.md
@@ -1,25 +1,25 @@
-     | 浠诲姟锛堝姛鑳斤級                    |  Value    | Effort    | 鏄惁宸插畬鎴�  
------|-------------------------------|-----------|-----------|------------|
-1    | 瀹屾垚SFML閰嶇疆锛屾樉绀衡�淪FML works鈥�  | 0         |           |            |
-2    | 鏄剧ず涓�鏋堕潤姝㈢殑椋炴満浜庡睆骞曞簳閮�       | 5         |           |           |
-3    | 鑳屾櫙闊充箰                       | 1         |           |            |
-4    | 宸﹀彸閿紝鎺у埗绉诲姩椋炴満             | 10        |           |            |
-5    | 闄愬埗宸﹀彸杈圭晫                    | 1         |           |            |
-6    | 绌烘牸閿紑鐐紝鏄剧ず杩愬姩鐨勭偖寮�        | 5         |           |            |
-7    | 鐐脊椋炲嚭杈圭晫澶勭悊                | 2          |           |           |
-8    | 闅忔満浜х敓鏁屾満锛屽苟鍚戜笅杩愬姩          | 10        |           |           |
-9    | 鏁屾満椋炲嚭杈圭晫澶勭悊                | 2         |           |            |
-10   | 纰版挒澶勭悊锛堟晫鏈轰笌鐐脊纰版挒锛�        | 10         |           |           |
-11   | 鏄剧ず鏁屾満鐖嗙偢杩囩▼                | 10         |           |            |
-12   | 鐖嗙偢澹伴煶                       | 2         |           |            |
-13   | 璁″垎鍙婃樉绀�                     | 5         |           |            |
-14   | 鏁屾満鐐脊澶勭悊                   | 10         |           |            |
-15   | 琚晫鏈哄嚮涓鐞嗭紙鐐告瘉銆�3鏉″懡锛�     | 10          |           |           |
-16   | 杩囧叧鎺у埗锛堣繃鍏抽渶瑕佽鍒嗐�佹父鎴忛�熷害鎺у埗锛墊 20        |           |           |
-17   |                               |            |           |           |
-18   |                               |            |           |           |
-19   |                               |            |           |           |
-20   |                               |            |           |           |
-鍚堣   |                              |            |           |           |
+|    | 浠诲姟锛堝姛鑳斤級                    |  Value    | Effort    | 鏄惁宸插畬鎴�  |
+|-----|---------------------------------|-----------|-----------|------------|
+|1    | 瀹屾垚SFML閰嶇疆锛屾樉绀衡�淪FML works鈥潀 0         |3          |     down   |
+|2    | 鏄剧ず涓�鏋堕潤姝㈢殑椋炴満浜庡睆骞曞簳閮�    | 5         |4          |     down   |
+|3    | 鑳屾櫙闊充箰                        | 1         |2          |     down   |
+|4    | 宸﹀彸閿紝鎺у埗绉诲姩椋炴満            | 10        |1          |     down   |
+|5    | 闄愬埗宸﹀彸杈圭晫                    | 1         |0.1        |     down   |
+|6    | 绌烘牸閿紑鐐紝鏄剧ず杩愬姩鐨勭偖寮�      | 5         |4          |     down   |
+|7    | 鐐脊椋炲嚭杈圭晫澶勭悊                | 2         |2          |     down   |
+|8    | 闅忔満浜х敓鏁屾満锛屽苟鍚戜笅杩愬姩        | 10        |2          |     down   |
+|9    | 鏁屾満椋炲嚭杈圭晫澶勭悊                | 2         |0.1        |     down   |
+|10   | 纰版挒澶勭悊锛堟晫鏈轰笌鐐脊锛岀帺瀹剁鎾烇級| 12        |3          |     down   |
+|11   | 鏄剧ず鏁屾満鐖嗙偢杩囩▼                | 10        |3          |     down   |
+|12   | 鐖嗙偢澹伴煶                        | 2         |1          |     down   |
+|13   | 璁″垎鍙婃樉绀�                      | 5         |2          |     down   |
+|14   | 鏁屾満鐐脊澶勭悊                    | 10        |4          |     down   |
+|15   | 琚晫鏈哄嚮涓鐞嗭紙鐐告瘉銆�3鏉″懡锛�   | 8         |2          |     down   |
+|16   | 杩囧叧鎺у埗锛堣繃鍏抽渶瑕佽鍒嗐�佹父鎴忛�熷害鎺у埗锛墊 20  |4           |            |
+|17   |                                 |           |           |            |
+|18   |                                 |           |           |            |
+|19   |                                 |           |           |            |
+|20   |                                 |           |           |            |
+|鍚堣 |                                 | 103    |           |            |
 
 
diff --git a/practices/cpp/level1/p11_Fighters/UFO.png b/practices/cpp/level1/p11_Fighters/UFO.png
new file mode 100644
index 00000000..f63cebdd
Binary files /dev/null and b/practices/cpp/level1/p11_Fighters/UFO.png differ
diff --git a/practices/cpp/level1/p11_Fighters/bullet.cpp b/practices/cpp/level1/p11_Fighters/bullet.cpp
new file mode 100644
index 00000000..230988b0
--- /dev/null
+++ b/practices/cpp/level1/p11_Fighters/bullet.cpp
@@ -0,0 +1,74 @@
+#include "stdafx.h"
+#include<iostream>
+#include <SFML/Graphics.hpp>
+#include "bullet.h"
+
+#define Xmax 800
+#define Ymax 600
+bullet::bullet(int max) {
+	info * tem = new info[max];
+	bulletInfo = tem;
+	tail = 0;
+	this->max = max;
+	for (int i = 0; i <max; i++) {
+		bulletInfo[i].ifExist = 0;
+	}
+}
+void bullet::appendBullet(float x, float y, char type) {
+	sf::Texture tex;
+	sf::Sprite spr;
+	float ispeed;
+	switch (type) {
+		case 'p':
+			tex.loadFromFile("bullet.png");
+			bulletInfo[tail].bullet_sprite.setScale(sf::Vector2f(0.2f, 0.3f));
+			ispeed = -10;
+			break;
+		case 'e':
+			tex.loadFromFile("bullet_e.psd");
+			bulletInfo[tail].bullet_sprite.setScale(sf::Vector2f(0.02f, 0.03f));
+			ispeed = 5;
+			break;
+		default:
+		;
+	}
+	bulletInfo[tail].bullet_texture = tex;
+	bulletInfo[tail].x = x;
+	bulletInfo[tail].y = y;
+	bulletInfo[tail].ifExist = 1;
+	bulletInfo[tail].speed = ispeed;
+	bulletInfo[tail].bullet_sprite.setTexture(bulletInfo[tail]. bullet_texture);
+	bulletInfo[tail].bullet_sprite.setPosition(sf::Vector2f(x, y));
+	if ( max-1 == tail) {
+		tail = 0;
+	}
+	else {
+		++tail;
+	}
+}
+
+void bullet::moveBullet() {
+	for (int i = 0; i<max; i++) {
+		if (0==bulletInfo[i].ifExist )continue;
+		bulletInfo[i].y = bulletInfo[i].y + bulletInfo[i].speed;
+		bulletInfo[i].bullet_sprite.setPosition(sf::Vector2f(bulletInfo[i].x, bulletInfo[i].y));
+		isExist(i);
+	}
+
+}
+void bullet::showBullet(sf::RenderWindow &thisWindow) {
+
+	for (int i = 0; i<max; i++) {
+		if (0==bulletInfo[i].ifExist )continue;
+		thisWindow.draw(bulletInfo[i].bullet_sprite);
+	}
+}
+bool bullet::isExist(int index) {
+	float x = bulletInfo[index].x;
+	float y = bulletInfo[index].y;
+	if (x<0 || x>Xmax || y<0 || y>Ymax) {
+		bulletInfo[index].ifExist = 0;
+		return false;
+	}
+	return true;
+}
\ No newline at end of file
diff --git a/practices/cpp/level1/p11_Fighters/bullet.h b/practices/cpp/level1/p11_Fighters/bullet.h
new file mode 100644
index 00000000..6c945d0b
--- /dev/null
+++ b/practices/cpp/level1/p11_Fighters/bullet.h
@@ -0,0 +1,28 @@
+#ifndef BULLET_H
+#include "stdafx.h"
+#include <SFML/Graphics.hpp>
+#define BULLET_H
+
+struct info {
+	sf::Texture bullet_texture;
+	sf::Sprite bullet_sprite;
+	float x, y;
+	float speed;
+	bool ifExist;
+};
+class bullet {
+	public:
+		info * bulletInfo;
+		bullet(int max=50);
+		void appendBullet(float x, float y, char type);
+		
+		void moveBullet();
+		void showBullet(sf::RenderWindow &thisWindow);
+		bool isExist(int index);
+	protected:
+		
+		int max;
+		int tail;
+
+};
+#endif
diff --git a/practices/cpp/level1/p11_Fighters/gameMusic.cpp b/practices/cpp/level1/p11_Fighters/gameMusic.cpp
new file mode 100644
index 00000000..28f3727d
--- /dev/null
+++ b/practices/cpp/level1/p11_Fighters/gameMusic.cpp
@@ -0,0 +1,31 @@
+#include "stdafx.h"
+#include"gameMusic.h"
+gameMusic::gameMusic(int type) {
+	this->type = type;
+	if (type == 1) {
+		gameBuffer.loadFromFile("collision.wav");
+		gameSound.setBuffer(gameBuffer);
+		
+	}
+	else if (type == 2) {
+		bigMusic.openFromFile("bgm1.flac");
+	}
+	
+}
+void gameMusic::playMusic() {
+	if (type==2) {
+		bigMusic.setLoop(true);
+	}
+	switch (type) {
+		case 2:
+			bigMusic.play();
+			break;
+		case 1:
+			gameSound.play();
+			break;
+		default:
+			;
+	}
+	
+	
+}
\ No newline at end of file
diff --git a/practices/cpp/level1/p11_Fighters/gameMusic.h b/practices/cpp/level1/p11_Fighters/gameMusic.h
new file mode 100644
index 00000000..7845f6a7
--- /dev/null
+++ b/practices/cpp/level1/p11_Fighters/gameMusic.h
@@ -0,0 +1,13 @@
+#include <SFML/Audio.hpp>
+#ifndef GAMEMUSIC_H
+#define GAMEMUSIC_H
+class gameMusic {
+		sf::SoundBuffer gameBuffer;
+		sf::Sound gameSound;
+		sf::Music bigMusic;
+		int type;
+	public:
+		gameMusic(int type=1);
+		void playMusic();
+};
+#endif
diff --git a/practices/cpp/level1/p11_Fighters/gameText.cpp b/practices/cpp/level1/p11_Fighters/gameText.cpp
new file mode 100644
index 00000000..e313ae55
--- /dev/null
+++ b/practices/cpp/level1/p11_Fighters/gameText.cpp
@@ -0,0 +1,74 @@
+#include"stdafx.h"
+#include"gameText.h"
+#include<SFML/Graphics.hpp>
+gameText::gameText(char type, int data) {
+	switch (type) {
+		case 's':
+			font.loadFromFile("AdobeDevanagari-Regular.otf");
+			text.setFont(font);
+			text.setCharacterSize(20);
+			text.setFillColor(sf::Color::White);
+			text.setPosition(700, 580);
+			text.setStyle(sf::Text::Bold);
+			text.setString("Score:" + std::to_string(data));
+			this->data = data;
+			this->type = type;
+			break;
+		case 'l':
+			font.loadFromFile("AdobeDevanagari-Regular.otf");
+			text.setFont(font);
+			text.setCharacterSize(20);
+			text.setFillColor(sf::Color::White);
+			text.setPosition(0, 580);
+			text.setStyle(sf::Text::Bold);
+			text.setString("Life:" + std::to_string(data));
+			this->data = data;
+			this->type = type;
+			break;
+		case 't':
+			font.loadFromFile("AdobeDevanagari-Regular.otf");
+			text.setFont(font);
+			text.setCharacterSize(20);
+			text.setFillColor(sf::Color::White);
+			text.setPosition(300, 580);
+			text.setStyle(sf::Text::Bold);
+			text.setString("Time:" + std::to_string(data));
+			this->data = data;
+			this->type = type;
+			break;
+		default:
+			font.loadFromFile("AdobeDevanagari-Regular.otf");
+			text.setFont(font);
+			text.setCharacterSize(20);
+			text.setFillColor(sf::Color::Blue);
+			text.setStyle(sf::Text::Bold);
+			this->data = 0;
+			this->type = 'h';
+			break;
+	}
+}
+void gameText::setGameText(std::string s) {
+	text.setString(s);
+}
+void gameText::setData(int data) {
+	this->data = data;
+}
+void gameText::setScore(int data) {
+	this->setData(data);
+	this->setGameText("Score:" + std::to_string(data));
+}
+void gameText::setPosition(int x, int y) {
+	text.setPosition(x, y);
+}
+void gameText::setScale(int size) {
+	text.setCharacterSize(size);
+}
+void gameText::showText(sf::RenderWindow &thisWindow) {
+	thisWindow.draw(this->text);
+}
+
+void setInformation(gameText & information, std::string s, int x, int y, int size){
+	information.setGameText(s);
+	information.setPosition(x, y);
+	information.setScale(size);
+}
diff --git a/practices/cpp/level1/p11_Fighters/gameText.h b/practices/cpp/level1/p11_Fighters/gameText.h
new file mode 100644
index 00000000..84edec01
--- /dev/null
+++ b/practices/cpp/level1/p11_Fighters/gameText.h
@@ -0,0 +1,20 @@
+#ifndef GAMETEXT_H
+#include<SFML/Graphics.hpp>
+#define GAMETEXT_H
+class gameText {
+		char type;
+		int data;
+		sf::Font font;
+		sf::Text text;
+	public:
+		gameText(char type='h',int data=0);
+		void setGameText(std::string s);
+		void setData(int data);
+		void setScore(int data);
+		void setPosition(int x, int y);
+		void setScale(int size);
+		void showText(sf::RenderWindow &thisWindow);
+		
+};
+void setInformation(gameText & information, std::string s, int x, int y, int size);
+#endif
diff --git a/practices/cpp/level1/p11_Fighters/gameWindow.cpp b/practices/cpp/level1/p11_Fighters/gameWindow.cpp
new file mode 100644
index 00000000..cae61893
--- /dev/null
+++ b/practices/cpp/level1/p11_Fighters/gameWindow.cpp
@@ -0,0 +1,204 @@
+#include "gameWindow.h"
+#include "stdafx.h"
+#include<iostream>
+#include "plane.h"
+#include "gameMusic.h"
+#include "gameText.h"
+#include <SFML/Graphics.hpp>
+#include <SFML/Audio.hpp>
+
+void playerAction(plane & p) {
+	static float speedCtrl=1;
+
+	if (sf::Keyboard::isKeyPressed(sf::Keyboard::LControl) ||
+		sf::Keyboard::isKeyPressed(sf::Keyboard::K)) {
+		speedCtrl = 0.5;
+	}
+	if (sf::Keyboard::isKeyPressed(sf::Keyboard::Left)||
+		sf::Keyboard::isKeyPressed(sf::Keyboard::A)) {
+		p.movePlane(-speedCtrl, 0);
+	}
+	if (sf::Keyboard::isKeyPressed(sf::Keyboard::Right)||
+		sf::Keyboard::isKeyPressed(sf::Keyboard::D)) {
+		p.movePlane(speedCtrl, 0);
+	}
+	if (sf::Keyboard::isKeyPressed(sf::Keyboard::Up)||
+		sf::Keyboard::isKeyPressed(sf::Keyboard::W)) {
+		p.movePlane(0, -speedCtrl);
+	}
+	if (sf::Keyboard::isKeyPressed(sf::Keyboard::Down)||
+		sf::Keyboard::isKeyPressed(sf::Keyboard::S)) {
+		p.movePlane(0, speedCtrl);
+	}
+	if ((sf::Keyboard::isKeyPressed(sf::Keyboard::Space) ||
+		sf::Keyboard::isKeyPressed(sf::Keyboard::J))) {
+		p.Fire('p');
+	}
+	speedCtrl = 1;
+}
+void enemysAction(plane * p, bool & flag1,int max) {
+	static int num=0;
+	if (!flag1) {
+		appendEnemy(p, num);
+		num++;
+		flag1 = 1;
+	}
+	for (int i = 0; i < max; i++) {
+		if (!p[i].isExist())continue;
+		p[i].Fire('e');
+	}
+	if (max == num) {
+		num = 0;
+	}
+}
+
+bool gameloop(sf::RenderWindow &window, int max_enemy ,int &time_count,int &time) {
+	int fresh_count = 0, sound_count = 0, score = 0;
+	bool bulletCD = 0, enemyCD = 0;
+	int godfresh = 0;
+	bool enemyBulletCD = 0;
+	int flag_collision = 0;
+	plane *enemysPlane=new plane[max_enemy];
+
+	sf::Texture backgrand_texture;
+	sf::Sprite backgrand_sprite;
+	plane playersPlane(350, 500, 'p');
+
+	gameMusic gameBgm1(2);
+	gameMusic soundEffect;
+	gameText scoreText('s', score);
+	gameText lifeText('l', playersPlane.showLife());
+	gameText timeText('t', time);
+
+	backgrand_texture.loadFromFile("backgrand.psd");
+	backgrand_sprite.setTexture(backgrand_texture);
+	backgrand_sprite.setTextureRect(sf::IntRect(0, 2048, 800, 600));
+	window.setFramerateLimit(60);
+	gameBgm1.playMusic();
+	window.draw(backgrand_sprite);
+	while (window.isOpen()) {
+
+		sf::Event event;
+		while (window.pollEvent(event)) {
+			if (event.type == sf::Event::Closed ||
+				sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)) {
+				window.close();
+				return false;
+			}
+		}
+		enemysAction(enemysPlane, enemyCD, max_enemy);
+		playerAction(playersPlane);
+		backgrand_sprite.setTextureRect(sf::IntRect(0, 2048 - fresh_count * 2, 800, 600));
+		window.clear();
+		window.draw(backgrand_sprite);
+		playersPlane.moveBullet();
+		moveEnemy(enemysPlane, playersPlane, max_enemy, flag_collision);
+		playersPlane.showPlane(window);
+		playersPlane.Count();
+		playersPlane.freshBulletCD();
+		if (flag_collision>0) {
+			soundEffect.playMusic();
+			if (1 == flag_collision) {
+				score++;
+			}
+		}
+		if (2 == flag_collision) {
+			clearBullet(enemysPlane, max_enemy);
+		}
+		showEnemy(window, enemysPlane, max_enemy);
+		scoreText.setScore(score);
+		scoreText.showText(window);
+		timeText.setGameText("Time:" + std::to_string(time));
+		timeText.showText(window);
+		lifeText.setGameText("Life:" + std::to_string(playersPlane.showLife() / 4));
+		lifeText.showText(window);
+		window.display();
+		++fresh_count;
+		++time_count;
+		if (0 == fresh_count % 60) {
+			enemyCD = 0;
+		}
+		if (1024 == fresh_count) {
+			fresh_count = 0;
+		}
+		if (time_count == 60) {
+			time++;
+			time_count = 0;
+			if (godfresh != 0) {
+				godfresh++;
+				if (godfresh == 3) {
+					playersPlane.godmode = 0;
+					godfresh = 0;
+				}
+			}
+		}
+		if (playersPlane.godmode&&godfresh == 0) {
+			godfresh++;
+		}
+		flag_collision = 0;
+		if (!playersPlane.isExist()) {
+			break;
+		}
+		if (score >= max_enemy*2) {
+			return true;
+		}
+	}
+	return false;
+}
+void gameProcess() {
+	sf::RenderWindow window(sf::VideoMode(800, 600), "Sky Legend");
+	sf::Texture bg_texture;
+	sf::Sprite bg_sprite;
+	gameText help[5];
+	setInformation(help[0], "SKY LEGEND", 250, 100, 50);
+	setInformation(help[1], "Use 'w','a','s','d'(or up,left,down,right)to move,use 'j' or space to fire.", 100, 200, 20);
+	setInformation(help[2], "press Space to start",275,300,20);
+	setInformation(help[3], "Next Level", 275, 300, 35);
+	setInformation(help[4], "YOU WIN!", 275, 300, 35);
+	bg_texture.loadFromFile("bg.jpg");
+	bg_sprite.setTexture(bg_texture);
+	bg_sprite.setScale(sf::Vector2f(2.0f, 2.0f));
+	int time_count = 0, time = 0;
+	int enemy_amount=20;
+	menu:while (window.isOpen()) {
+		sf::Event event;
+		while (window.pollEvent(event)) {
+			if (event.type == sf::Event::Closed ||
+				sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)) {
+				window.close();
+			}
+		}
+		window.clear();
+		window.draw(bg_sprite);
+		for (int i = 0; i < 3; i++) {
+			help[i].showText(window);
+		}
+		window.display();
+		if (sf::Keyboard::isKeyPressed(sf::Keyboard::Space)) {
+			while (gameloop(window, enemy_amount, time_count, time)) {
+				enemy_amount = enemy_amount + 2;
+				if (enemy_amount>30) {
+					for (int i = 0; i < 30; i++) {
+						window.clear();
+						help[4].showText(window);
+						window.display();
+					}
+					goto menu;
+				}
+				for (int i = 0; i < 30; i++) {
+					window.clear();
+					help[3].showText(window);
+					window.display();
+				}
+			}
+			setInformation(help[4], "YOU LOSE!", 275, 300, 35);
+			for (int i = 0; i < 30; i++) {
+				window.clear();
+				help[4].showText(window);
+				window.display();
+			}
+		}
+	}
+	
+
+}
\ No newline at end of file
diff --git a/practices/cpp/level1/p11_Fighters/gameWindow.h b/practices/cpp/level1/p11_Fighters/gameWindow.h
new file mode 100644
index 00000000..ec110953
--- /dev/null
+++ b/practices/cpp/level1/p11_Fighters/gameWindow.h
@@ -0,0 +1,9 @@
+#ifndef GAMEWINDOW_H
+#define GAMEWINDOW_H
+#include "plane.h"
+
+void gameProcess();
+void playerAction(plane & p);
+void enemysAction(plane * p, bool & flag1,int max);
+bool gameloop(sf::RenderWindow &window,int max_enemy, int &time_count,int &time);
+#endif
diff --git a/practices/cpp/level1/p11_Fighters/main.cpp b/practices/cpp/level1/p11_Fighters/main.cpp
new file mode 100644
index 00000000..ec15ca47
--- /dev/null
+++ b/practices/cpp/level1/p11_Fighters/main.cpp
@@ -0,0 +1,16 @@
+// skyLegend.cpp : 定义控制台应用程序的入口点。
+//
+
+#include "stdafx.h"
+#include<iostream>
+#include "plane.h"
+#include "gameMusic.h"
+#include <SFML/Graphics.hpp>
+#include <SFML/Audio.hpp>
+#include "gameWindow.h"
+int main() {
+	srand(time(0));
+	gameProcess();
+
+	return 0;
+}
\ No newline at end of file
diff --git a/practices/cpp/level1/p11_Fighters/plane.cpp b/practices/cpp/level1/p11_Fighters/plane.cpp
new file mode 100644
index 00000000..9a0f4670
--- /dev/null
+++ b/practices/cpp/level1/p11_Fighters/plane.cpp
@@ -0,0 +1,280 @@
+#include "stdafx.h"
+#include<iostream>
+#include <SFML/Graphics.hpp>
+#include "plane.h"
+#include "bullet.h"
+#include "gameMusic.h"
+#define Xmax 800
+#define Ymax 600
+plane::plane(float x,float y,char type) {
+	this->type = type;
+	switch (type) {
+		case 'p':
+			plane_texture.loadFromFile("player.psd");
+			plane_bullet=new bullet(25);
+			speed =8;
+			life = 12;
+			half_sizeX = 37.5;
+			half_sizeY = 15;
+			this->x = x;
+			this->y = y;
+			plane_sprite.setTextureRect(sf::IntRect(0, 0, 200, 101));
+			plane_sprite.setScale(sf::Vector2f(0.375f, 0.3f));
+			fireRate = 5;
+			godmode = 1;
+			break;
+		case 'e':
+			plane_texture.loadFromFile("enemy.psd");
+			plane_bullet = new bullet(20);
+			speed = 1;
+			life = 0;
+			half_sizeX = 16;
+			half_sizeY = 12;
+			this->x = rand()%Xmax-half_sizeX;
+			this->y = y;
+			plane_sprite.setTextureRect(sf::IntRect(0, 0, 107, 80));
+			plane_sprite.setScale(sf::Vector2f(0.3f, 0.3f));
+			fireRate = 50;
+			godmode = 0;
+			break;
+	}
+	bulletCD = 0;
+	count = 0;
+	plane_sprite.setTexture(plane_texture);
+	
+	plane_sprite.setPosition(sf::Vector2f(this->x, this->y));
+}
+void plane::setPlane(float x, float y) {
+	this->x = x;
+	this->y = y;
+	plane_sprite.setPosition(sf::Vector2f(this->x,this-> y));
+}
+void plane::movePlane(float x, float y) {
+	float x0, y0;
+	x0 = this->x+x*speed;
+	y0 = this->y+y*speed;
+	if (x0 >= -half_sizeX && x0 <= Xmax- half_sizeX && y0 >= -half_sizeY && y0 <= Ymax-2*half_sizeY) {
+		this->x = x0;
+		this->y = y0;
+	}//边界判断
+	plane_sprite.setPosition(sf::Vector2f(this->x, this->y));
+}
+void plane::movePlane() {
+	if (life<=0)return;
+	this->y = this->y + speed;
+	if (this->x < -half_sizeX || this->x > Xmax - half_sizeX ||
+		this->y < -half_sizeY || this->y > Ymax ) {
+		life = 0;
+		return;
+	}
+	plane_sprite.setPosition(sf::Vector2f(this->x, this->y));
+}
+void plane::showPlane(sf::RenderWindow &thisWindow) {
+	switch (this->life) {
+		case 11:
+		case 7:
+		case 3:
+			plane_sprite.setTextureRect(sf::IntRect(0, 101, 200, 101));
+			thisWindow.draw(plane_sprite);
+			plane_bullet->showBullet(thisWindow);
+			this->life = this->life - 1;
+			break;
+		case 10:
+		case 6:
+			plane_sprite.setTextureRect(sf::IntRect(0, 202, 200, 101));
+			thisWindow.draw(plane_sprite);
+			plane_bullet->showBullet(thisWindow);
+			this->life = this->life - 1;
+			break;
+		case 2:
+			plane_sprite.setTextureRect(sf::IntRect(0, 202, 200, 101));
+			thisWindow.draw(plane_sprite);
+			plane_bullet->showBullet(thisWindow);
+			this->life = 0;
+			break;
+		case 9:
+		case 5:
+			plane_sprite.setTextureRect(sf::IntRect(0, 0, 200,101));
+			thisWindow.draw(plane_sprite);
+			plane_bullet->showBullet(thisWindow);
+			plane_sprite.setPosition(sf::Vector2f(350, 500));
+			this->x = 350, this->y = 500;
+			this->godmode = 1;
+			this->life = this->life - 1;
+			break;
+		case 12:
+		case 8:
+		case 4:
+		case 1:
+			if (this->godmode) {
+				plane_sprite.setTextureRect(sf::IntRect(0, 303, 200, 101));
+			}
+			else if('p'==this->type){
+				plane_sprite.setTextureRect(sf::IntRect(0, 0, 200, 101));
+			}
+			thisWindow.draw(plane_sprite);
+			plane_bullet->showBullet(thisWindow);
+			break;
+		case -1:
+		case -2:
+		case -3:
+			plane_sprite.setTextureRect(sf::IntRect(0, 80, 107, 80));
+			thisWindow.draw(plane_sprite);
+			plane_bullet->showBullet(thisWindow);
+			this->life = this->life - 1;
+			break;
+		case -4:
+		case -5:
+		case -6:
+			plane_sprite.setTextureRect(sf::IntRect(0, 160, 107,100));
+			thisWindow.draw(plane_sprite);
+			plane_bullet->showBullet(thisWindow);
+			this->life = this->life - 1;
+			break;
+		case -7:
+
+			this->life = 0;
+			break;
+		case 0:
+			plane_bullet->showBullet(thisWindow);
+		default:
+			break;
+
+	}
+	
+}
+void plane::Fire(char type) {
+	if (this->life <= 0)return;
+	if (this->life % 4 != 0 && this->life != 1)return;
+	if (!bulletCD) {
+		switch (this->type) {
+		case 'p':
+			plane_bullet->appendBullet(this->x + this->half_sizeX , this->y, type);
+			break;
+		case 'e':
+			plane_bullet->appendBullet(this->x + this->half_sizeX, this->y + 2 * this->half_sizeY, type);
+			break;
+		default:
+			;
+		}
+		
+		bulletCD = 1;
+	}
+	
+}
+void plane::moveBullet() {
+	plane_bullet->moveBullet();
+}
+void plane::lifeChange(int delta) {
+	life += delta;
+}
+void plane::freshBulletCD() {
+	if (bulletCD&&(0==count%fireRate)) {
+		bulletCD =0;
+	}
+}
+void plane::Count() {
+	this->count=this->count+1;
+	if (100 == count) {
+		count = 0;
+	}
+}
+bool plane::isExist() {
+	if (life != 0)return true;
+	return false;
+}
+bool plane::isCollision(float x, float y,float Xsize,float Ysize) {
+	if ((this->x + 2 * this->half_sizeX > x&&this->x < x + 2 * Xsize) &&
+		(this->y + 2*this->half_sizeY > y&&this->y< y+2*Ysize ))return true;
+	return false;
+}
+bool plane::collision(bullet & bp) {
+	if ( this->life<=0)return false;
+	for (int i = 0; i < 25; i++) {
+		if (bp.bulletInfo[i].ifExist == 0)continue;
+		if ((bp.bulletInfo[i].x > this->x  &&
+			bp.bulletInfo[i].x < this->x + 2*this->half_sizeX) &&
+			(bp.bulletInfo[i].y > this->y  &&
+				bp.bulletInfo[i].y < this->y + 2*this->half_sizeY)) {
+			bp.bulletInfo[i].ifExist = 0;
+			switch (this->showType()) {
+				case 'e':
+					this->lifeChange(-2);
+					break;
+				case 'p':
+					if (this->godmode)return false;
+					this->lifeChange(-1);
+					break;
+				default:
+					;
+			}
+			
+			
+			return true;
+		}
+	}
+	return false;
+}
+bool plane::collision(plane & p) {
+	if (0 >= this->life)return false;
+	if (!p.isExist())return false;
+	if (p.isCollision(this->x, this->y,this->half_sizeX,this->half_sizeY)) {
+		this->lifeChange(-2);
+		if (p.godmode)return true;
+		p.lifeChange(-1);
+		return true;
+	}
+	return false;
+}
+char plane::showType() {
+	return this->type;
+}
+int plane::showLife(){
+	return this->life;
+}
+void appendEnemy(plane * enemy,int index) {
+	enemy[index] = *(new plane());
+	enemy[index].lifeChange(1);
+}
+
+void moveEnemy(plane * enemy,plane & player,int max,int & ifCollision) {
+	for (int i = 0; i < max; i++) {
+		enemy[i].movePlane();
+		enemy[i].moveBullet();
+		if (enemy[i].collision(*player.plane_bullet)||
+			enemy[i].collision(player) ){
+			ifCollision = 1;
+		}
+		if (player.collision(*enemy[i].plane_bullet)) {
+			ifCollision = 2;
+		}
+	}
+}
+void showEnemy(sf::RenderWindow &thisWindow,plane * enemy,int max) {
+	for (int i = 0; i < max; i++) {
+		enemy[i].showPlane(thisWindow);
+		enemy[i].Count();
+		enemy[i].freshBulletCD();
+	}
+}
+void plane::deleteBullet() {
+	int max;
+	switch (this->type) {
+		case 'p':
+			max = 25;
+			break;
+		case 'e':
+			max = 20;
+			break;
+		default:
+			;
+	}
+	for (int i = 0; i < max; i++) {
+		this->plane_bullet->bulletInfo[i].ifExist = 0;
+	}
+}
+void clearBullet(plane * enemy,int max) {
+	for (int i = 0; i < max; i++) {
+		enemy[i].deleteBullet();
+	}
+}
\ No newline at end of file
diff --git a/practices/cpp/level1/p11_Fighters/plane.h b/practices/cpp/level1/p11_Fighters/plane.h
new file mode 100644
index 00000000..1c1053bb
--- /dev/null
+++ b/practices/cpp/level1/p11_Fighters/plane.h
@@ -0,0 +1,46 @@
+#ifndef PLANE_H
+#include "stdafx.h"
+#include "bullet.h"
+#include <SFML/Graphics.hpp>
+#define PLANE_H
+class plane {
+
+	public:
+		bool godmode;
+		bullet * plane_bullet;
+		plane(float x=0, float y=0,char type='e');
+		void setPlane(float x,float y);
+		void movePlane(float x, float y);
+		void movePlane();
+		void showPlane(sf::RenderWindow &thisWindow);
+		void Fire(char type);
+		void moveBullet();
+		void lifeChange(int delta);
+		void freshBulletCD();
+		void Count();
+		void deleteBullet();
+		char showType();
+		int showLife();
+		bool isExist();
+		bool isCollision(float x, float y, float Xsize, float Ysize);
+		bool collision(bullet & bp);
+		bool collision(plane & p);
+	protected:
+		bool bulletCD;
+		
+		char type;
+		int count;
+		int fireRate;
+		sf::Texture plane_texture;
+		sf::Sprite plane_sprite;
+		short life;
+		float x, y;
+		float speed;
+		float half_sizeX, half_sizeY;
+
+};
+void appendEnemy(plane * enemy,int index);
+void moveEnemy(plane * enemy, plane & player,int max, int & ifCollision);
+void showEnemy(sf::RenderWindow &thisWindow,plane * enemy,int max);
+void clearBullet(plane * emeny,int max);
+#endif