Sum of Odd and Even Numbers in C++

This simple C++ program will compute the sum of odd and even numbers from the given number by the user. 


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Sample Program Output

Program Listing

#include <iostream>

using namespace std;

int main()

{

    int a=0, number=0, odd_sum = 0, even_sum = 0;

    cout << "Sum of ODD and Even Numbers in  C++";

    cout << "\n\n";

    cout << "Give a number  : ";

    cin >> number;

    for (a = 1; a <= number; a++)

    {

        if (a % 2 == 0)

            even_sum = (even_sum + a);

        else

            odd_sum = (odd_sum + a);

    }

    cout << "==== The Result =====";

    cout << "\n\n";

    cout << "Sum of all odd numbers is " << odd_sum << ".\n";

    cout << "Sum of all even numbers is " << even_sum << ".";

    cout << "\n\n";

    cout << "\t\t End of Program";

    cout << "\n\n";

}