Submission #31586

# Submission time Handle Problem Language Result Execution time Memory
31586 2017-08-30T02:04:43 Z cheater2k Hacker (BOI15_hac) C++14
40 / 100
16 ms 3868 KB
#include <bits/stdc++.h>
using namespace std;

const int N = 200010;

int n;
int a[N], f[N];
int ans;

int main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> n;
	for (int i = 1; i <= n; ++i) cin >> a[i];
	int sz = (n + 1) / 2;

	for (int i = n + 1; i <= 2 * n; ++i) a[i] = a[i - n];

	for (int i = 1; i <= n + n; ++i) a[i] = a[i - 1] + a[i];

	for (int i = sz; i <= n + n; ++i) {
		f[i] = a[i] - a[i - sz];
		//cerr << i << ' ' << f[i] << endl;
	}

	deque <int> q;

	for (int i = 1; i <= n + n; ++i) {
		while(!q.empty() && f[q.back()] > f[i]) q.pop_back();
		if (!q.empty() && q.front() <= i - sz) q.pop_front();
		q.push_back(i);
		ans = max(ans, f[q.front()]);
	}

	cout << ans << endl;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3736 KB Output is correct
2 Correct 0 ms 3736 KB Output is correct
3 Correct 0 ms 3736 KB Output is correct
4 Correct 0 ms 3736 KB Output is correct
5 Correct 0 ms 3736 KB Output is correct
6 Correct 0 ms 3736 KB Output is correct
7 Correct 0 ms 3736 KB Output is correct
8 Correct 0 ms 3736 KB Output is correct
9 Correct 0 ms 3736 KB Output is correct
10 Correct 0 ms 3736 KB Output is correct
11 Correct 0 ms 3736 KB Output is correct
12 Correct 0 ms 3736 KB Output is correct
13 Correct 0 ms 3736 KB Output is correct
14 Correct 0 ms 3736 KB Output is correct
15 Correct 0 ms 3736 KB Output is correct
16 Correct 0 ms 3736 KB Output is correct
17 Correct 0 ms 3736 KB Output is correct
18 Correct 0 ms 3736 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3736 KB Output is correct
2 Correct 0 ms 3736 KB Output is correct
3 Correct 0 ms 3736 KB Output is correct
4 Correct 0 ms 3736 KB Output is correct
5 Correct 0 ms 3736 KB Output is correct
6 Correct 0 ms 3736 KB Output is correct
7 Correct 0 ms 3736 KB Output is correct
8 Correct 0 ms 3736 KB Output is correct
9 Correct 0 ms 3736 KB Output is correct
10 Correct 0 ms 3736 KB Output is correct
11 Correct 0 ms 3736 KB Output is correct
12 Correct 0 ms 3736 KB Output is correct
13 Correct 0 ms 3736 KB Output is correct
14 Correct 0 ms 3736 KB Output is correct
15 Correct 0 ms 3736 KB Output is correct
16 Correct 0 ms 3736 KB Output is correct
17 Correct 0 ms 3736 KB Output is correct
18 Correct 0 ms 3736 KB Output is correct
19 Correct 0 ms 3736 KB Output is correct
20 Correct 0 ms 3736 KB Output is correct
21 Correct 0 ms 3736 KB Output is correct
22 Correct 0 ms 3736 KB Output is correct
23 Correct 0 ms 3736 KB Output is correct
24 Correct 0 ms 3736 KB Output is correct
25 Correct 0 ms 3736 KB Output is correct
26 Correct 0 ms 3736 KB Output is correct
27 Correct 0 ms 3736 KB Output is correct
28 Correct 0 ms 3736 KB Output is correct
29 Correct 0 ms 3736 KB Output is correct
30 Correct 0 ms 3736 KB Output is correct
31 Correct 0 ms 3736 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3736 KB Output is correct
2 Correct 0 ms 3736 KB Output is correct
3 Correct 0 ms 3736 KB Output is correct
4 Correct 9 ms 3868 KB Output is correct
5 Runtime error 16 ms 3736 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3736 KB Output is correct
2 Correct 0 ms 3736 KB Output is correct
3 Correct 0 ms 3736 KB Output is correct
4 Correct 0 ms 3736 KB Output is correct
5 Correct 0 ms 3736 KB Output is correct
6 Correct 0 ms 3736 KB Output is correct
7 Correct 0 ms 3736 KB Output is correct
8 Correct 0 ms 3736 KB Output is correct
9 Correct 0 ms 3736 KB Output is correct
10 Correct 0 ms 3736 KB Output is correct
11 Correct 0 ms 3736 KB Output is correct
12 Correct 0 ms 3736 KB Output is correct
13 Correct 0 ms 3736 KB Output is correct
14 Correct 0 ms 3736 KB Output is correct
15 Correct 0 ms 3736 KB Output is correct
16 Correct 0 ms 3736 KB Output is correct
17 Correct 0 ms 3736 KB Output is correct
18 Correct 0 ms 3736 KB Output is correct
19 Correct 0 ms 3736 KB Output is correct
20 Correct 0 ms 3736 KB Output is correct
21 Correct 0 ms 3736 KB Output is correct
22 Correct 0 ms 3736 KB Output is correct
23 Correct 0 ms 3736 KB Output is correct
24 Correct 0 ms 3736 KB Output is correct
25 Correct 0 ms 3736 KB Output is correct
26 Correct 0 ms 3736 KB Output is correct
27 Correct 0 ms 3736 KB Output is correct
28 Correct 0 ms 3736 KB Output is correct
29 Correct 0 ms 3736 KB Output is correct
30 Correct 0 ms 3736 KB Output is correct
31 Correct 0 ms 3736 KB Output is correct
32 Correct 0 ms 3736 KB Output is correct
33 Correct 0 ms 3736 KB Output is correct
34 Correct 0 ms 3736 KB Output is correct
35 Correct 9 ms 3868 KB Output is correct
36 Runtime error 16 ms 3736 KB Execution killed with signal 11 (could be triggered by violating memory limits)
37 Halted 0 ms 0 KB -