Submission #482716

# Submission time Handle Problem Language Result Execution time Memory
482716 2021-10-26T06:33:35 Z rk42745417 Cat (info1cup19_cat) C++17
3.75 / 100
216 ms 15776 KB
#include <bits/stdc++.h>
using namespace std;

#define EmiliaMyWife ios::sync_with_stdio(0); cin.tie(0);
using ll = int64_t;
using ull = uint64_t;
using uint = uint32_t;
using ld = long double;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
const ll LINF = ll(2e18) + ll(1e15);
const double EPS = 1e-8;
static auto LamyIsCute = []() {
	EmiliaMyWife
	return 48763;
}();

signed main() {
	int t;
	cin >> t;
	while(t--) {
		int n;
		cin >> n;
		vector<int> arr(n);
		for(int &a : arr)
			cin >> a;
		bool ok = 1;
		for(int i = 0; i < n; i++)
			if(arr[i] + arr[n - i - 1] != n + 1)
				ok = false;
		if(ok)
			cout << "0 0\n";
		else
			cout << "-1\n";
	}
}
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 332 KB Wrong answer
# Verdict Execution time Memory Grader output
1 Correct 10 ms 716 KB Correctly distinguished between possibility and impossibility
2 Correct 9 ms 804 KB Correctly distinguished between possibility and impossibility
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 332 KB Wrong answer
# Verdict Execution time Memory Grader output
1 Correct 10 ms 716 KB Correctly distinguished between possibility and impossibility
2 Correct 9 ms 804 KB Correctly distinguished between possibility and impossibility
3 Correct 201 ms 15544 KB Correctly distinguished between possibility and impossibility
4 Correct 194 ms 15776 KB Correctly distinguished between possibility and impossibility
5 Correct 216 ms 15492 KB Correctly distinguished between possibility and impossibility
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 332 KB Wrong answer