Submission

Score: 100

User: bananakung

Problemset: ISBN

Language: cpp

Time: 0.004 second

Submitted On: 2025-07-10 20:22:03

#include<iostream>
using namespace std;
int main()
{
	int ans,num,total=0,m=10;
	for(int i=0;i<9;i++)
	{
		cin>>num;
		total=total+num*m;
		m--;
	}
	if(total==0||total%11==0)cout<<"0";
	else cout<<11-total%11;

	
}