Submission

Score: 95

User: SonnyHappy108

Problemset: ISBN

Language: cpp

Time: 0.003 second

Submitted On: 2026-04-10 11:34:28

#include <iostream>
using namespace std;
int main()
{
	int i;
	int b=0;
	int a;
	for(i=0;i<9;i++){
		cin >> a;
		b+=a*(10-i);
	}
	cout << 11-b%11;
}