Submission

Score: 100

User: lingusso

Problemset: ISBN

Language: cpp

Time: 0.002 second

Submitted On: 2026-04-01 12:27:37

#include<iostream>
#include<string>
using namespace std;

int main(){
	int a,sum = 0;
	for(int i=10;i>=2;i--){
		cin>>a;
		sum += a*i;
	}
	if(sum % 11 == 0|| sum == 0){
		cout<<0;
		return 0;
	}
	cout<<11 - sum%11;
	return 0;
}