Submission

Score: 95

User: kinzap

Problemset: ISBN

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-13 01:34:54

#include <iostream>
using namespace std;

int n[9],sum;

int main(){
    for(int i = 0;i<9;i++){
        cin >> n[i];
        sum += (10-i)*n[i];
    }
    cout << 11-sum%11;
}