p5_pattern.cpp

// pattern 1
/* #include<iostream>
using namespace std;

int main(){

int n,i=1;
cin>>n;
while(i<=n){
    int j=1;
    while(j<=n){
        cout<<"* ";
        j++;
    }
    cout<<endl;
    i++;
}

} */

/* o/p= for n=3
 * * *
 * * *
 * * * */

// pattern 2
/* #include<iostream>
using namespace std;

int main(){

int n, i, j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=n){
        cout<<i<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

} */

/* o/p= for n=3
    1 1 1
    2 2 2
    3 3 3 */

// pattern 3
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=n){
        cout<<j<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

} */

/* o/p= for n=3
    1 2 3
    1 2 3
    1 2 3 */

// pattern 4
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=0;
    while(j<n){
        cout<<n-j<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

} */

/* o/p= for n=3
    3 2 1
    3 2 1
    3 2 1 */

// pattern 5
/* #include<iostream>
using namespace std;

int main(){

int n,i,j,x;
cin>>n;
i=1;x=1;
while(i<=n){
    j=1;
    while(j<=n){
        cout<<x<<" ";
        j++;x++;
    }
    cout<<endl;
    i++;
}

} */

/* o/p= for n=3
    1 2 3
    4 5 6
    7 8 9 */

// pattern 6
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=i){
        cout<<'*'<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

}  */

/* o/p= for n=4
 *
 * *
 * * *
 * * * *
 */

// pattern 7
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=i){
        cout<<i<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

}  */

/* o/p= for n=4
    1
    1 2
    1 2 3
    1 2 3 4
     */

// pattern 8
/* #include<iostream>
using namespace std;

int main(){

int n,i,j,x;
cin>>n;
i=1;x=1;
while(i<=n){
    j=1;
    while(j<=i){
        cout<<x<<" ";
        j++;x++;
    }
    cout<<endl;
    i++;
}

}  */

/* o/p= for n=4
    1
    2 3
    4 5 6
    7 8 9 10
     */

// pattern 9
/* #include<iostream>
using namespace std;

int main(){

int n,i,j,x;
cin>>n;
i=1;
while(i<=n){
    j=1;x=i;
    while(j<=i){
        cout<<x<<" ";
        j++;x++;
    }
    cout<<endl;
    i++;
}

}  */

/* o/p= for n=4
    1
    2 3
    3 4 5
    4 5 6 7
     */

// pattern 9 method 2
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=i){
        cout<<i+j-1<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

}  */

// pattern 10
/* #include<iostream>
using namespace std;

int main(){

int n,i,j,x;
cin>>n;
i=1;
while(i<=n){
    j=1;x=i;
    while(j<=i){
        cout<<x<<" ";
        j++;x--;
    }
    cout<<endl;
    i++;
}

}  */

/* o/p= for n=4
    1
    2 1
    3 2 1
    4 3 2 1
     */

// pattern 10 M-2
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=i){
        cout<<i-j+1<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

}  */

// pattern 11
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
char k;
cin>>n;
i=0;
while(i<n){
    j=1;
    while(j<=n){
        k= 'A'+i;
        cout<<k<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

} */

/* o/p= for n=3
    A A A
    B B B
    C C C
        */

// pattern 11 M2
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
char k;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=n){
        k= 'A'+i-1;
        cout<<k<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

}  */

// pattern 12
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
char k;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=n){
        k= 'A'+j-1;
        cout<<k<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

}  */

/* o/p= for n=3
    A B C
    A B C
    A B C
        */

// pattern 13

/* #include<iostream>
using namespace std;

int main(){

int n,i,j,x;
char k;
cin>>n;
i=1;x=1;
while(i<=n){
    j=1;
    while(j<=n){
        k= 'A'+x-1;
        cout<<k<<" ";
        j++;x++;
    }
    cout<<endl;
    i++;
}

}  */

/* o/p= for n=3
    A B C
    D E F
    G H I
        */

// pattern 14
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
char k;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=n){
        k= 'A'+i+j-2;
        cout<<k<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

} */

/* o/p= for n=3
    A B C
    B C D
    C D E
        */

// pattern 15
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
char k;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=i){
        k= 'A'+i-1;
        cout<<k<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

}  */

/* o/p= for n=3
    A
    B B
    C C C
        */

// pattern 16
/* #include<iostream>
using namespace std;

int main(){

int n,i,j,x;
char k;
cin>>n;
i=1;x=1;
while(i<=n){
    j=1;
    while(j<=i){
        k= 'A'+x-1;
        cout<<k<<" ";
        j++;x++;
    }
    cout<<endl;
    i++;
}

}
 */
/* o/p= for n=3
    A
    B C
    D E F
        */

// pattern 17
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
char k;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=i){
        k= 'A'+i+j-2;
        cout<<k<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

}  */

/* o/p= for n=3
    A
    B C
    C D E
        */

// pattern 18
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
char k;
cin>>n;
i=1;
while(i<=n){
   j=1;
   while(j<=i){
       k= 'A'+n-i+j-1;
       cout<<k<<" ";
       j++;
   }
   cout<<endl;
   i++;
}

}   */

/* o/p= for n=4
    D
    C D
    B C D
    A B C D
        */

// pattern 19
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=n-i){
        cout<<" "<<" ";
        j++;
    }
    j=1;
    while(j<=i){
        cout<<'*'<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

}
 */

/* o/p= for n=4
 *
 * *
 * * *
 * * * *
 */

// pattern 20
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=n-i+1){
        cout<<'*'<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

} */

/* o/p= for n=4
 * * * *
 * * *
 * *
 *
 */

// pattern 21

/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=i-1){
        cout<<" "<<" ";
        j++;
    }
    j=1;
    while(j<=n-i+1){
        cout<<'*'<<" ";
        j++;
    }
    cout<<endl;
    i++;
}

} */

/* o/p= for n=4
 * * * *
 * * *
 * *
 *
 */

// pattern 22

/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=i-1){
        cout<<" "<<" ";
        j++;
    }
    j=1;
    while(j<=n-i+1){
        cout<<i+j-1<<" ";
        j++;
    }
    cout<<endl;
    i++;
}
} */

/* o/p= for n=4
    1 2 3 4
      2 3 4
        3 4
          4
        */

// pattern 23
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=n-i){
        cout<<" "<<" ";
        j++;
    }
    j=1;
    while(j<=i){
        cout<<j<<" ";
        j++;
    }
    j=1;
    while(j<=i-1){
        cout<<i-j<<" ";
        j++;
    }
    cout<<endl;
    i++;
}
}  */
/* o/p= for n=4
       1
     1 2 1
   1 2 3 2 1
 1 2 3 4 3 2 1
        */

// pattern 24
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=n-i+1){
        cout<<j<<" ";
        j++;
    }
    j=1;
    while(j<=i-1){
        cout<<'*'<<" ";
        j++;
    }
    j=1;
    while(j<=i-1){
        cout<<'*'<<" ";
        j++;
    }
    j=1;
    while(j<=n-i+1){
        cout<<n-i-j+2<<" ";
        j++;
    }
    i++;
    cout<<endl;
}
} */

/* o/p= for n=4
    1 2 3 4 5 5 4 3 2 1
    1 2 3 4 * * 4 3 2 1
    1 2 3 * * * * 3 2 1
    1 2 * * * * * * 2 1
    1 * * * * * * * * 1
        */
// pattern 24 M-2
/* #include<iostream>
using namespace std;

int main(){

int n,i,j;
cin>>n;
i=1;
while(i<=n){
    j=1;
    while(j<=n-i+1){
        cout<<j<<" ";
        j++;
    }
    j=1;
    while(j<=2*(i-1)){
        cout<<'*'<<" ";
        j++;
    }

    j=1;
    while(j<=n-i+1){
        cout<<n-i-j+2<<" ";
        j++;
    }
    i++;
    cout<<endl;
}
} */

// pattern 25
/*
#include<iostream>
using namespace std;

int main(){

int n,i,j,x;
cin>>n;
i=1;
while(i<=2*n-1){
    j=1;
    i<=n ? x=i : x=2*n-i;
    while(j<=x){
        cout<<"*"<<" ";
        j++;
    }

    i++;
    cout<<endl;
}
}
*/
// line 818 - x= n- (i-n) => 2n-i
/* o/p= for n=5
 *
 * *
 * * *
 * * * *
 * * * * *
 * * * *
 * * *
 * *
 *
 */

// pattern 26

#include <iostream>
using namespace std;

int main()
{

    int n, i, j, x;
    cin >> n;
    i = 1;
    while (i <= 2 * n - 1)
    {
        j = 1;
        i <= n ? x = i - 1 : x = 2 * n - i - 1;
        while (j <= x)
        {
            cout << " ";
            j++;
        }
        j = 1;
        while (j <= n - x)
        {
            cout << "*"
                 << " ";
            j++;
        }

        i++;
        cout << endl;
    };
}

// line 818 - x= n- (i-n) => 2n-i
/* o/p= for n=5
 * * * * *
 * * * *
 * * *
 * *
 *
 * *
 * * *
 * * * *
 * * * * *
 */