Submission

PPPPPPPPPPPPPPPPPPPP

Score: 100

User: devilpoohs

Problemset: ISBN

Language: cpp

Time: 0.000 second

Submitted On: 2024-11-29 17:05:41

#include<bits/stdc++.h>
using namespace std;
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int a[9] ;
	int sum=0 ;
	for(int i=0;i<9;i++){
		cin>>a[i];
		sum+=((10-i)*a[i]);
	}
	cout <<(11-sum%11)%11 ;
	return 0;
}