Submission

Score: 100

User: Sunsblad

Problemset: ISBN

Language: cpp

Time: 0.005 second

Submitted On: 2026-10-01 18:53:03

#include<iostream>
using namespace std;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int a;
    int sum = 0;
    for(int i = 10; i >= 2; i--){
        cin>>a;
        sum += i*a;
    }
     a = 0;
    while(sum % 11 != 0){
        a++;
        sum++;
    }
    cout<<a;



}