integer to string c++

#include <string> 

std::string s = std::to_string(42);

#include <iostream>
#include<string>
using namespace std;
int main()
{
int i = 11;
float f = 12.3;
string str = to_string(i);
strinf fstr = to_string(f);
}

#include <string>
using namespace std;

int iIntAsInt = 658;
string sIntAsString = to_string(iIntAsInt);

#include <iostream>  
#include<string>  
using namespace std;  
int main()  
{  
 int i=11;  
  
string str= to_string(i);  
  
cout<<"string value of integer i is :"<<str<<"\n";  

return 0;
}