c_plus_plus_function_overloading.cpp

#include <iostream>

using namespace std;

int add(int a, int b){
  cout << "It's an integer sum" << endl;
  return a + b;
}

double add(double a, double b){
  cout << "It's a double sum" << endl;
  return a + b;
}

double add(double a, double b, double c){
  cout << "It's a triple sum" << endl;
  return a + b + c;
}

int main(){
  add(1, 3);  // It's an integer sum: 4
  add(1.1, 3.3);  // It's a double sum: 4.4
  add(1, 2.2, 3);  // It's a triple sum: 6.2
  return 0
}