Submission

Score: 100

User: FakeAnutin

Problemset: ISBN

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-29 16:50:31

#include <bits/stdc++.h>
using namespace std;
int main(){
	int sum=0;
	for(int i=10;i>=2;i--){
		int k; cin>>k;
		sum+=k*i;
	}
	if(sum%11==0){
		cout<<0;
		return 0;
	}
	cout<<11-sum%11;
}