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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. const int maxn=1e7+14;
  4. int a[maxn];
  5. void solve(){
  6. 	int n;
  7. 	cin >> n;
  8. 	for (int i = 1; i <= n; i++){
  9. 		cin >> a[i];
  10. 	}
  11. 	bool ok = 1;
  12. 	for (int i = 1; i <= n/2; i++){
  13. 		if (a[i] != a[n - i + 1]) {
  14. 			 ok = 0;
  15. 			 break;
  16. 		}
  17. 	}
  18.  
  19. 	cout << ok;
  20. }
  21. int main(){
  22. 	ios_base::sync_with_stdio(0);
  23. 	cin.tie(0);    cout.tie(0);
  24. 	if (fopen("input.txt","r")) {
  25. 		freopen("input.txt","r",stdin);
  26. 		freopen("output.txt","w",stdout);
  27. 	}
  28. 	solve();
  29. 	return 0;
  30. }
  31.  
Success #stdin #stdout 0.01s 5280KB
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https://ideone.com/zi2gkz
language:
C++14 (gcc 8.3)
created:
7 hours ago
visibility:
public

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