Submission

Score: 100

User: dddrrrr

Problemset: ISBN

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-14 23:09:51

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

int main(){
	cin.tie(0)->sync_with_stdio(0);
	int n=9;
	//vector <int> vec(9);
	int mul=10 ,sum=0;
	for(int i=0 ;i<n ;i++){
		int x;cin >> x;
		sum += (mul*x);
		mul--;
	}
	if(sum % 11 == 0){
		cout << 0 ;
		return 0;
	}
	cout << (sum/11)*11 + 11 - sum;
	
	return 0;
	
}