1776A - Walking Boy - CodeForces Solution

#include<bits/stdc++.h>
using namespace std;
int main() {
    
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout); 
    #endif
    
    int t;
    cin>>t;
    while (t--) {
        int n;
        cin>>n;
        int A[n]={0};
        for (int i=0; i<n; i++) {
            cin>>A[i];
        }
        int sum=0;
        for (int i=1; i<n; i++) {
            sum+=(A[i]-A[i-1])/120;
        }
        sum+=A[0]/120;
        sum+=(1440-A[n-1])/120;
        if (sum>=2) {
            cout<<"YES"<<endl;
        } else {
            cout<<"NO"<<endl;
        }
    }
    return 0;
}