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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
stdin
2
4
1 4 4 1
5
1 5 5 5 3
stdout
YES
NO