Submission

Score: 100

User: Mocha_nb

Problemset: ตรวจบัตรเครดิต

Language: cpp

Time: 0.003 second

Submitted On: 2025-09-25 18:54:17

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


int main(){
    char ch[15];
    int arr[15];
    int res=0,l;
    for(int i = 0 ; i < 15;i++){
        cin >> ch[i];
        arr[i] = ch[i]-48;
    }
    cin >> l;
    for(int i = 0 ; i < 15;i++){
        if(i%2==0){
            arr[i] = 2*arr[i];
        }
        if(arr[i] > 9){
                res += 1 + arr[i]%10;
            }else{res += arr[i];}
    }
    if(((10-(res%10))%10)==l){
        cout << "yes";
    }else{cout << "no";}
}