c++ for loops explained code example

Example 1: for loop in c++

for (int i = 0; i < 10; i++)
    {
        cout << i << endl;
    }

Example 2: c++ for loops

#include <iostream>
#define FOR(i,a) for (int i = 0; i < a; i++)

FOR(i, 3) cout << i << endl;