how to convert an int to astring in c++ code example

Example 1: change int to string cpp

#include <string> 

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

Example 2: c++ convert int to cstring

#include<isotream>
#include<string>

string str = to_string(int);
char cstr[size] = "";
strcat_s( cstr, str.c_str());