Submission

Score: 95

User: dy

Problemset: ISBN

Language: cpp

Time: 0.005 second

Submitted On: 2026-10-04 09:08:25

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,a,sum=0;
    for(int i=10;i>1;i--){
        cin>>a;
        sum+=i*a;
    }
    for(int i=1;i<12;i++){
        if((sum+i)%11==0){
        cout<<i;
        break;
        }
    }
}