Submission

Score: 95

User: lingusso

Problemset: ISBN

Language: cpp

Time: 0.003 second

Submitted On: 2026-04-01 12:12:29

#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;
	}
	cout<<11 - sum%11;
	return 0;
}