Submission

Score: 100

User: helloskibidi

Problemset: ISBN

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-05 15:12:09

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

int main(){
    int sum=0;
    for(int i=0;i<9;i++){
        int temp;
        cin >> temp;
        sum+=(10-i)*temp;
    }
    
    while(sum>=11){
        sum-=11;
    }
    cout << (sum == 0 ? 0 : 11-sum);
}