Submission

Score: 95

User: nemuchannnUwU

Problemset: ISBN

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-15 13:51:35

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