Submission

Status:

PPPPPPPPPPPPPPPPPPPP

Score: 100

User: Namkhing

Problemset: ISBN

Language: cpp

Time: 0.003 second

Submitted On: 2025-04-11 15:56:27

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

int a[9];

int main() {
    cin.tie(nullptr)->ios_base::sync_with_stdio(false);
    for (int i = 0; i < 9; i++) cin >> a[i];
    int sum = 0;
    for (int i = 0; i < 9; i++) sum += (10 - i) * a[i];
    cout << (11 - sum % 11) % 11;
}