Submission

Score: 100

User: Poonthc

Problemset: ตรวจบัตรเครดิต

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-28 20:14:45

#include <bits/stdc++.h>
using namespace std;
int a[200];
int main()
{
    int q=0,t=0;
    string d;
    cin>>d;
    for(int i = 0;i <15;i++){
        a[i] = int(d[i])-48;
    }
     q = d[15]-48;
     for(int i = 0;i<15;i+=2){
         a[i] *= 2;
    }
    for(int i = 0;i<15;i++){
        if(a[i] >= 10){
            t += (1 + a[i]%10);
        }
        else{
            t+=a[i];
        }
    }
    if(((10-(t%10))%10) == q){
        cout << "yes";
    }
    else{
        cout << "no";
    }
}