to string cpp code example

Example 1: change int to string cpp

#include <string> 

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

Example 2: to_string c++

// to_string example
#include <iostream>   // std::cout
#include <string>     // std::string, std::to_string

int main ()
{
  std::string pi = "pi is " + std::to_string(3.1415926);
  std::string perfect = std::to_string(1+2+4+7+14) + " is a perfect number";
  std::cout << pi << '\n';
  std::cout << perfect << '\n';
  return 0;
}

Example 3: convert int to string c++

int x = 5;
string str = to_string(x);

Example 4: convert integer to string c++

std::to_string(23213.123)

Example 5: c++ int to string

// ----------------------------------- C++ 11 and onwards
// EXAMPLE
#include <string>
int iIntAsInt = 658;
std::string sIntAsString = to_string(iIntAsInt);

/* SYNTAX
to_string(<your-integer>)
*/

// ----------------------------------- BEFORE C++ 11
// EXAMPLE
#include <sstream>
#include <string>
int iYourInt = 5;
std::stringstream ssYourInt_AsStream << iYourInt;
std::string sYourInt_AsString = ssYourInt_AsStream.str();

Example 6: how to convert int to string c++

int a = 10;
stringstream ss;
ss << a;
string str = ss.str();