Answer to Question #275113 in C++ for Hena

Question

1. Write a c++ program that sum's up the even numbers between 0 and

any positive integer number n given by the user.

Answer 1

 #include <iostream>
using namespace std;

int main() {
    int n, sum;


    cout << "Enter a positive number: ";
    cin >> n;
    sum = 0;
    for (int i=0; i<=n; i++) {
        if (i%2 == 0) {
            sum += i;
        }
    }
    cout << "The sum of all even number between 0 and " << n 
         << " inclusive is " << sum << endl;
}