cpp-course/functionEx.cpp at main · Maxris/cpp-course · GitHub

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#include<iostream>
#include<string>

usingnamespacestd;


intaddTwo(int input) //here is the secondary function
{
int result = input + 2;
return result;
}

intmulti(int a, int b)
{
return a*b;
}

//a void function witch returns nothing

voidhelloWorld()
{
 cout << "hello world !" << endl;
}

intmain()
{
int a = 2, b = 2;

 b = addTwo(a);

 cout << b << endl; //4

int c = multi(a, b);

 cout << c << endl; //8

helloWorld(); //function just say hello world without returning anything


return0;
}