Submission

Score: 100

User: matcherbrainner

Problemset: ซอมบี้

Language: cpp

Time: 0.102 second

Submitted On: 2026-10-07 09:10:32

#include <bits/stdc++.h>
using namespace std;
int main() {
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    long long n, k, sum = 0;
    if (!(cin >> n >> k)) return 0;
    vector<long long> a(n), b(n);
    for (int i = 0; i < n; i++) cin >> a[i];
    for (int i = 0; i < n; i++) cin >> b[i];
    for (int i = 0; i < n; i++) {
        sum += a[i] + b[i];
        if (sum > (i + 1) * k) { cout << "GG\n"; return 0; }
    }
    cout << "YAY\n";
    return 0;
}