답안 #887720

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
887720	2023-12-15T05:01:50 Z	TK_LD0102	Hacker (BOI15_hac)	C++17	100 / 100	248 ms	20632 KB

hac

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

using vi = vector<int>;
#define pb push_back
#define rsz resize
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()

using pi = pair<int, int>;
#define f first
#define s second
#define mp make_pair

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n;
	cin >> n;
	vi a(2 * n + 1);
	a[0] = 0;
	multiset<int> vals;
	int SZ = (n + 1) / 2;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
		a[n + i] = a[i];
	}
	for (int i = 1; i <= 2 * n; i++) { a[i] += a[i - 1]; }
	int ans = 0;
	vi ret(n + 1, INT_MAX);
	for (int i = 1; i <= 2 * n; i++) {
		if (i + SZ - 1 <= 2 * n) { vals.insert(a[i + SZ - 1] - a[i - 1]); }
		if (i > SZ) { vals.erase(vals.find(a[i - 1] - a[i - 1 - SZ])); }
		int prev = ((i - 1) % n) + 1;
		ret[prev] = min(ret[prev], *vals.begin());
	}
	for (int i = 1; i <= n; i++) { ans = max(ans, ret[i]); }
	cout << ans << '\n';
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	600 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	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 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	456 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	600 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	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 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	456 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	600 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	2 ms	604 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	2 ms	604 KB	Output is correct
26	Correct	2 ms	604 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	348 KB	Output is correct
30	Correct	2 ms	604 KB	Output is correct
31	Correct	1 ms	604 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	2 ms	464 KB	Output is correct
4	Correct	29 ms	3636 KB	Output is correct
5	Correct	90 ms	8160 KB	Output is correct
6	Correct	111 ms	10320 KB	Output is correct
7	Correct	119 ms	12372 KB	Output is correct
8	Correct	244 ms	20248 KB	Output is correct

Subtask #4

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	600 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	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 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	456 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	600 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	2 ms	604 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	2 ms	604 KB	Output is correct
26	Correct	2 ms	604 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	348 KB	Output is correct
30	Correct	2 ms	604 KB	Output is correct
31	Correct	1 ms	604 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	2 ms	464 KB	Output is correct
35	Correct	29 ms	3636 KB	Output is correct
36	Correct	90 ms	8160 KB	Output is correct
37	Correct	111 ms	10320 KB	Output is correct
38	Correct	119 ms	12372 KB	Output is correct
39	Correct	244 ms	20248 KB	Output is correct
40	Correct	3 ms	604 KB	Output is correct
41	Correct	7 ms	1116 KB	Output is correct
42	Correct	10 ms	1628 KB	Output is correct
43	Correct	83 ms	8160 KB	Output is correct
44	Correct	226 ms	20104 KB	Output is correct
45	Correct	35 ms	4188 KB	Output is correct
46	Correct	121 ms	12312 KB	Output is correct
47	Correct	248 ms	20244 KB	Output is correct
48	Correct	219 ms	20632 KB	Output is correct
49	Correct	173 ms	19536 KB	Output is correct
50	Correct	181 ms	19644 KB	Output is correct