Submission

Score: 100

User: msurirak

Problemset: ISBN

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-05 21:32:15

#include <iostream>
#include <algorithm>
using namespace std;
int main() { 
	int k,sum=0;
	for (int i=10;i>=2;i--){
		cin>>k;
		sum+=k*i;
	}
	if(11-(sum%11)==11){
		cout<<"0";
	}
	else{
		cout<<11-(sum%11);
	}
}