c++ int to string

To convert an integer to a string in C++, you can use the std::to_string() function. This function takes an integer as its argument and returns a string representation of that integer.

Here are the steps to convert an integer to a string in C++ using std::to_string():

  1. Include the necessary header file: #include <string>. This header file provides the definition of the std::to_string() function.

  2. Declare an integer variable and assign a value to it, e.g., int num = 12345;. This is the integer that you want to convert to a string.

  3. Call the std::to_string() function, passing the integer variable as its argument, e.g., std::string str = std::to_string(num);. The function returns a string representation of the integer.

  4. You now have the integer converted to a string. You can use the str variable to manipulate or display the converted string as desired.

Note: Make sure to include the <string> header file and use the std:: namespace prefix when calling the std::to_string() function.

That's it! By following these steps, you can convert an integer to a string in C++ using the std::to_string() function.