Submission

Status:

PPPPPPPPPPPPPPPPPPPP

Subtask/Task Score:

100/100

Score: 100

User: JRomsponCH

Problemset: ISBN

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-01 10:56:16

#include<bits/stdc++.h>
using namespace std;

int main() {
    long long sum = 0;
    int arr[9];
    for (int i = 0; i < 9; i++) {
        cin>>arr[i];
    }
    for (int i = 10; i >= 2; i--) {
        sum += i*arr[10-i];
    }
    long long number = 11 - (sum % 11);
    if (number == 11) {
        cout<<0;
    }else{
        cout<<number;
    }
}