Submission

Score: 100

User: KingPun

Problemset: ISBN

Language: cpp

Time: 0.005 second

Submitted On: 2026-10-09 20:53:13

#include <bits/stdc++.h>
using namespace std;
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    int input;
    int res = 0;
    for (int a = 0;a < 9;++a) 
    {
        cin >> input;
        res += (input*(10-a));
    }
    if (res % 11 != 0) cout << ((res/11)+1)*11 - res;
    else 
    {
        cout << 0;
    }
    return 0;
}