Submission

Score: 95

User: ssens3

Problemset: ISBN

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-04 14:37:56

#include <iostream>
using namespace std;
int main(){
    int x, s = 0;
    for (int i = 10; i > 1; i--){
        cin >> x; s += x * i;
    }
    cout << 11 - (s % 11);
}