Submission

Score: 95

User: FIrmTInn

Problemset: ISBN

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 14:56:23

#include<iostream>
using namespace std;
int main(){
    int multiple_digit = 10,n,sum = 0;
    for(int i=0;i<9;i++){
        cin >> n;
        sum += multiple_digit*n;
        multiple_digit--;
    }
    if(sum % 11 == 0){
        cout << 0;
        return 0;
    }
    for(int i=0;i<10;i++){
        if((sum + i) % 11 == 0){
            cout << i;
        }
    }

    return 0;
}