Submission

Score: 90

User: 666whynot

Problemset: ซอมบี้

Language: cpp

Time: 0.133 second

Submitted On: 2025-09-04 23:33:03

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

int main(){
    ios::sync_with_stdio(false);cin.tie(0);
    int n,k;cin>>n>>k;
    vector<int> a(n),b(n);
    for(int i=0;i<n;i++){
        cin>>a[i]>>b[i];
    }
    int sum = 0;
    int tob = 0;
    for(int i=0;i<n;i++){
        if(a[i] + b[i] - k > 0){
            tob += a[i] + b[i];
        }
        sum = a[i] + b[i] - k +tob;
        if(sum > 0){cout << "GG";return 0;}
        else {cout << "YAY";return 0;}
    }
}