C++ Program to find the sum of odd digits of a number

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In this program, You will learn how to find sum of odd digits of a number in C++.

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1234 => 1 + 3 = 4

Example: How to find the sum of odd digits of a number in C++.

#include<iostream>
using namespace std;

int main() {

    int a, sum = 0, r;

    cout << "Enter a number:";
    cin>>a;

    while (a > 0) {
        r = a % 10;
        if (r % 2 != 0) {
            sum = sum + r;
        }
        a = a / 10;
    }

    cout << "Sum of Odd digits:" << sum;

    return 0;
}

Output:

Enter a number:12345
Sum of Odd digits:9