Submission #926380

# Submission time Handle Problem Language Result Execution time Memory
926380 2024-02-12T20:57:57 Z Nonoze Hacker (BOI15_hac) C++17
100 / 100
51 ms 6100 KB
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize(3)

void solve() {
	int n; cin >> n;
	int mid=n/2+n%2, x; cin >> x;
	vector<int> a(1, x);
	for (int i=1; i<n; i++) {
		cin >> x;
		a.push_back(x+a.back());
	}
	for (int i=0; i<n; i++) a.push_back(a[n-1]+a[i]);
	deque<int> curr;
	for (int i=0; i<mid; i++) {
		while (!curr.empty() && a[curr.front()+mid-1]-(curr.front()?a[curr.front()-1]:0)>=a[i+mid-1]-a[i-1]) curr.pop_front();
		curr.push_front(i);
	}
	int ans=0;
	for (int i=mid; i<n+mid; i++) {
		ans=max(ans, a[curr.back()+mid-1]-a[curr.back()-1]);
		while (!curr.empty() && a[curr.front()+mid-1]-a[curr.front()-1]>=a[i+mid-1]-a[i-1]) curr.pop_front();
		if (!curr.empty() && curr.back()==i-mid) curr.pop_back();
		curr.push_front(i);
	}
	cout << ans << endl;
	return;
}

signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	solve();
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 7 ms 1500 KB Output is correct
5 Correct 15 ms 2520 KB Output is correct
6 Correct 20 ms 2520 KB Output is correct
7 Correct 24 ms 4820 KB Output is correct
8 Correct 40 ms 4820 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 7 ms 1500 KB Output is correct
36 Correct 15 ms 2520 KB Output is correct
37 Correct 20 ms 2520 KB Output is correct
38 Correct 24 ms 4820 KB Output is correct
39 Correct 40 ms 4820 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 2 ms 860 KB Output is correct
42 Correct 3 ms 736 KB Output is correct
43 Correct 20 ms 2520 KB Output is correct
44 Correct 51 ms 6100 KB Output is correct
45 Correct 8 ms 1496 KB Output is correct
46 Correct 25 ms 5844 KB Output is correct
47 Correct 39 ms 5576 KB Output is correct
48 Correct 42 ms 5324 KB Output is correct
49 Correct 36 ms 6088 KB Output is correct
50 Correct 37 ms 5580 KB Output is correct