12-arr-mirror.cpp

#include <iostream>
using namespace std;

int main() {
    int t;
    cin >> t;

    while (t--) {
        int n;
        cin >> n;

        int arr[n];
        for (int i = 0; i < n; i++) {
            cin >> arr[i];
        }

        bool isPalindrome = true;
        for (int i = 0; i < n / 2; i++) {
            if (arr[i] != arr[n - i - 1]) {
                isPalindrome = false;
                break;
            }
        }

        cout << (isPalindrome ? "YES" : "NO") << endl;
    }

    return 0;
}