Submission

Status:

PPPPPPPPPPPPPPPPPPPP

Subtask/Task Score:

100/100

Score: 100

User: samsenpisardmoo69

Problemset: ISBN

Language: cpp

Time: 0.003 second

Submitted On: 2026-10-03 15:32:14

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int arr[9];
    int sum = 0;
    
    for(int i=0; i<9; i++)
    {
        cin >> arr[i];
        sum += (10-i) * arr[i];
    }
    
    int mod = sum%11;
    if(mod == 0)
    {
        cout << 0;
        return 0;
    }
    cout << 11 - mod;
}