Function summ

CodeChef_problems/CHEF AND CARD GAME/SOLUTION.cpp:3–7

#include <iostream>
using namespace std;
long long int summ(long long int n){
    long long int sum=0;
    for (sum = 0; n > 0; sum += n % 10, n /= 10);
    return sum;
}
int main() {
	// your code goes here
	int t;