Submission

Score: 95

User: sakurajima

Problemset: ISBN

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-27 21:55:02

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int sum = 0;

    for (int i = 10; i > 1; i--) {
        int x;
        cin >> x;
        sum += (x * i);
    }

    int soln = 11 - (sum % 11);
    cout << soln;

}