Question

Write a program to print the sum of the n even numbers by using for loop.

Answer 1

#include <iostream>
using namespace std;

int main()
{
const int n = 3;

int sum = 0;
for (int i = 1; i <= n; ++i) {
& sum += 2*i;
}

cout << "The sum is " << sum << endl;

return 0;
}