converting an unsigned integer in to a string in cpp code example

Example 1: convert integer to string c++

std::to_string(23213.123)

Example 2: how to convert int to string c++

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