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Copy pathmystr.cpp
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143 lines (119 loc) · 2.57 KB
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#include <iostream>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <vector>
using namespace std;
class String
{
private:
vector<char> line;
public:
String(){};
String(const String& q)
{
for(int i=0; i< q.line.size(); i++)
line.push_back(q.line[i]);
}
String(const char* a)
{
for(int i=0; i<strlen(a); i++)
line.push_back(a[i]);
}
friend istream& operator>>(istream&, String&);
friend ostream& operator<<(ostream&, const String&);
String Sum(const String& a,const String& b)
{
String c;
for(int i=0; i<a.line.size(); i++)
c.line.push_back(a.line[i]);
for(int i=0; i<b.line.size(); i++)
c.line.push_back(b.line[i]);
return(c);
}
int Cmp(const String& a, const String& b)
{
int i=0;
while((a.line[i]==b.line[i]) && (i<a.line.size()) && (i<b.line.size())) i++;
if(a.line[i]>b.line[i]) return(1);
if(a.line[i]<b.line[i]) return(-1);
if((a.line[i]==b.line[i]) && (a.line.size()>b.line.size())) return(1);
if((a.line[i]==b.line[i]) && (a.line.size()<b.line.size())) return(-1);
if((a.line[i]==b.line[i]) && (a.line.size()==b.line.size())) return(0);
}
void PushBack(char c)
{
line.push_back(c);
}
void PopBack()
{
line.pop_back();
}
void PopFrom(int i)
{
for(int j=i; j<line.size()-1; j++)
line[j]=line[j+1];
line.pop_back();
}
void PushInto(int i, char c)
{
line.push_back('0');
for( int j=line.size()-1; j>i; j--)
line[j]=line[j-1];
line[i]=c;
}
char operator[](int i)
{
return(line[i]);
};
int Size()
{
return(line.size());
}
};
istream& operator>>(istream& is,String& s)
{
char c;
is>>c;
while(c!='\n')
{
s.line.push_back(c);
c=getchar();
}
return(is);
}
ostream& operator<<(ostream& os, const String& s)
{
for(int i=0;i<s.line.size(); i++)
os<<s.line[i];
return os;
}
int test1()
{
String r("Добрый день.");
String c("Реализация класса строк.");
c=c.Sum(r,c);
for(int i=r.Size()-1; i>=0; i--)
c.PopFrom(i);
const char* s ="Здравствуйте.";
for(int i=0;i<strlen(s);i++)
c.PushInto(i,s[i]);
String q("Здравствуйте.Реализация класса строк.");
return(1-c.Cmp(c,q));
}
int test2()
{
String r("glksrglsgnsk gnel nglskeg nsog 3ion lgn gs3-2=5986");
String c(r);
for(int i=r.Size()-1; i>=5; i--)
r.PopFrom(i);
for(int i=0;i<5;i++)
c.PushBack(r[i]);
String q("glksrglsgnsk gnel nglskeg nsog 3ion lgn gs3-2=5986glksr");
return(1-c.Cmp(c,q));
}
int main()
{
cout<<test1()<<" "<<test2();
return(0);
}