Submission #1113980

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1113980	2024-11-18T04:06:49 Z	stdfloat	Bigger segments (IZhO19_segments)	C++17	37 / 100	1500 ms	4020 KB

segments

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

using ll = long long;

int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);

	int n;
	cin >> n;

	vector<int> a(n);
	for (auto &i : a)
		cin >> i;

	vector<ll> p(n);
	for (int i = 0; i < n; i++)
		p[i] = (i ? p[i - 1] : 0) + a[i];

	vector<ll> dp(n);
	for (int i = 0; i < n; i++)
		dp[i] = (p[i] << 1);
	for (int i = 1; i < n; i++) {
		vector<ll> u(n);
		for (int j = n - 1; j >= 0; j--)
			u[j] = min((j + 1 == n ? LLONG_MAX : u[j + 1]), dp[j]);

		int x = -1;
		for (int j = 0; j < n; j++) {
			while (x + 1 < n && u[x + 1] <= p[j]) x++;

			dp[j] = (x == -1 ? (ll)1e18 : (p[j] << 1) - p[x]);
		}

		if (dp[n - 1] == (ll)1e18) return cout << i, 0;
	}

	cout << n;
}

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct

Subtask #2
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	2 ms	592 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	504 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	2 ms	504 KB	Output is correct
27	Correct	1 ms	336 KB	Output is correct
28	Correct	1 ms	336 KB	Output is correct
29	Correct	2 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	2 ms	592 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	504 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	2 ms	504 KB	Output is correct
27	Correct	1 ms	336 KB	Output is correct
28	Correct	1 ms	336 KB	Output is correct
29	Correct	2 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct
31	Correct	1 ms	336 KB	Output is correct
32	Correct	1 ms	336 KB	Output is correct
33	Correct	3 ms	336 KB	Output is correct
34	Correct	14 ms	336 KB	Output is correct
35	Correct	30 ms	576 KB	Output is correct
36	Correct	3 ms	504 KB	Output is correct
37	Correct	2 ms	336 KB	Output is correct
38	Correct	2 ms	468 KB	Output is correct
39	Correct	3 ms	336 KB	Output is correct
40	Correct	3 ms	336 KB	Output is correct
41	Correct	27 ms	508 KB	Output is correct
42	Correct	18 ms	336 KB	Output is correct
43	Correct	6 ms	508 KB	Output is correct
44	Correct	28 ms	336 KB	Output is correct
45	Correct	24 ms	336 KB	Output is correct

Subtask #4
0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	2 ms	592 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	504 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	2 ms	504 KB	Output is correct
27	Correct	1 ms	336 KB	Output is correct
28	Correct	1 ms	336 KB	Output is correct
29	Correct	2 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct
31	Correct	1 ms	336 KB	Output is correct
32	Correct	1 ms	336 KB	Output is correct
33	Correct	3 ms	336 KB	Output is correct
34	Correct	14 ms	336 KB	Output is correct
35	Correct	30 ms	576 KB	Output is correct
36	Correct	3 ms	504 KB	Output is correct
37	Correct	2 ms	336 KB	Output is correct
38	Correct	2 ms	468 KB	Output is correct
39	Correct	3 ms	336 KB	Output is correct
40	Correct	3 ms	336 KB	Output is correct
41	Correct	27 ms	508 KB	Output is correct
42	Correct	18 ms	336 KB	Output is correct
43	Correct	6 ms	508 KB	Output is correct
44	Correct	28 ms	336 KB	Output is correct
45	Correct	24 ms	336 KB	Output is correct
46	Correct	7 ms	3408 KB	Output is correct
47	Correct	14 ms	3664 KB	Output is correct
48	Correct	1350 ms	4020 KB	Output is correct
49	Execution timed out	1568 ms	3920 KB	Time limit exceeded
50	Halted	0 ms	0 KB	-

Subtask #5
0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	2 ms	592 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	504 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	2 ms	504 KB	Output is correct
27	Correct	1 ms	336 KB	Output is correct
28	Correct	1 ms	336 KB	Output is correct
29	Correct	2 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct
31	Correct	1 ms	336 KB	Output is correct
32	Correct	1 ms	336 KB	Output is correct
33	Correct	3 ms	336 KB	Output is correct
34	Correct	14 ms	336 KB	Output is correct
35	Correct	30 ms	576 KB	Output is correct
36	Correct	3 ms	504 KB	Output is correct
37	Correct	2 ms	336 KB	Output is correct
38	Correct	2 ms	468 KB	Output is correct
39	Correct	3 ms	336 KB	Output is correct
40	Correct	3 ms	336 KB	Output is correct
41	Correct	27 ms	508 KB	Output is correct
42	Correct	18 ms	336 KB	Output is correct
43	Correct	6 ms	508 KB	Output is correct
44	Correct	28 ms	336 KB	Output is correct
45	Correct	24 ms	336 KB	Output is correct
46	Correct	7 ms	3408 KB	Output is correct
47	Correct	14 ms	3664 KB	Output is correct
48	Correct	1350 ms	4020 KB	Output is correct
49	Execution timed out	1568 ms	3920 KB	Time limit exceeded
50	Halted	0 ms	0 KB	-

Submission #1113980

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 10.0

Subtask #4 0 / 36.0

Subtask #5 0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
10.0 / 10.0

Subtask #4
0 / 36.0

Subtask #5
0 / 27.0