Submission

Score: 100

User: Kei

Problemset: ISBN

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-08 15:13:25

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int,int>;

void solve(){
    int sum=0,x;
    for(int i=10;i>=2;i--){
        cin >> x;
        sum+=i*x;
    }
    cout << (11-(sum%11))%11;
}
int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    solve();
    return 0;
}