Submission

Score: 100

User: colo39

Problemset: ตรวจบัตรเครดิต

Language: cpp

Time: 0.002 second

Submitted On: 2026-09-30 16:26:01

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

int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int last;
    for (int i = 1;i <= 15;i++) {
        char n;
        cin >> n;
        dq.push_front(string(1, n));

    }
    cin >> last;
    for (int i = 0;i < 15;i+=2) {
        dq[i] = to_string(stoi(dq[i]) * 2);
    }

    int sum = 0;
    for (auto s : dq) {
        for (auto c : s) {
            sum += c - '0';
        }
    }
    if ((10 - (sum % 10)) % 10 == last ) cout << "yes";
    else cout << "no";
}