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  1. #include <bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4.  
  5. void solve(){
  6.     int n; cin >> n;
  7.     int a[n];
  8.     for(int i=0; i<n; i++) cin >> a[i];
  9.     for(int i=0; i<n/2; i++){
  10.         if(a[i] != a[n-i-1]){
  11.             cout << "NO\n";
  12.             return;
  13.         }
  14.     }
  15.     cout << "YES\n";
  16. }
  17.  
  18. int main(){
  19.     int typetest = 1;
  20.     int t;
  21.     if(typetest){
  22.         cin >> t;
  23.         while(t--){
  24.             solve();
  25.         }
  26.     }else solve();
  27. }
Success #stdin #stdout 0s 5280KB
comments (?)
stdin
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2
4
1 4 4 1
5
1 5 5 5 3
stdout
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YES
NO
https://ideone.com/wK2WZU
language:
C++14 (gcc 8.3)
created:
11 hours ago
visibility:
public

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