Submission

Score: 100

User: Catpao

Problemset: ISBN

Language: cpp

Time: 0.004 second

Submitted On: 2025-09-24 11:05:22

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