c++ srtig + int code example

Example 1: string to int c++

#include <iostream>
#include <string>

int main() {

    std::string str = "123";
    int num;

    // using stoi() to store the value of str1 to x
    num = std::stoi(str);

    std::cout << num;

    return 0;
}

Example 2: concatenation cpp int and stirng

// with C++11
string result = name + std::to_string(age);