even_nums.cpp

//Create a program to find the sum of even numbers from 1 to N using a while loop.
#include <iostream>
using namespace std;

int main() {
    int N, num = 1, sum = 0;

    // Input: Get the value of N from the user
    cout << "Enter the value of N: ";
    cin >> N;

    // Calculate the sum of even numbers from 1 to N using a while loop
    while (num <= N) {
        if (num % 2 == 0) {
             sum += num; // Add even numbers to the sum
        }
        num++;
    }
    // Output: Print the sum of even numbers
    cout << "The sum of even numbers from 1 to " << N << " is: " << sum << endl;

    char choice;
                    // Ask the user if they want to continue
                cout << "Do you want to check another number? (y/n): ";
                cin >> choice;

                while (choice == 'y' || choice == 'Y');

        return 0;
            }