Submission #1063746

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1063746	2024-08-18T00:56:12 Z	sssamui	Global Warming (CEOI18_glo)	C++17	100 / 100	39 ms	5096 KB

#include <iostream>
#include <cstdio>
#include <vector>
#include <cmath>
#include <algorithm>
using namespace std;

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

	int n, x;
	cin >> n >> x;
	vector<int> pfxlissz(n);
	vector<int> lis(0);

	vector<int> t(n);
	for (int i = 0; i < n; i++) cin >> t[i];
	for (int i = 0; i < n; i++)
	{
		pfxlissz[i] = lis.size();
		pfxlissz[i] = lower_bound(lis.begin(), lis.end(), t[i] + x) - lis.begin();
		if (lis.empty() || (lis.back() < t[i])) lis.push_back(t[i]);
		int l = lower_bound(lis.begin(), lis.end(), t[i]) - lis.begin();
		lis[l] = t[i];
	}

	vector<int> sfxldssz(n);
	lis.clear();
	for (int i = n - 1; i > -1; i--)
	{
		if (lis.empty() || (lis.back() + t[i] < 0)) lis.push_back(-t[i]);
		sfxldssz[i] = lower_bound(lis.begin(), lis.end(), -t[i]) - lis.begin();
		lis[sfxldssz[i]] = -t[i];
	}

	int ans = sfxldssz[0];
	for (int i = 1; i < n; i++) ans = fmax(ans, pfxlissz[i] + sfxldssz[i]);
	cout << ++ans;
}

Subtask #1
5.0 / 5.0

#	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	1 ms	348 KB	Output is correct
7	Correct	0 ms	412 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

Subtask #2
10.0 / 10.0

#	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	1 ms	348 KB	Output is correct
7	Correct	0 ms	412 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	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 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

Subtask #3
13.0 / 13.0

#	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	1 ms	348 KB	Output is correct
7	Correct	0 ms	412 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	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 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	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	37 ms	3964 KB	Output is correct
2	Correct	39 ms	4740 KB	Output is correct
3	Correct	39 ms	4552 KB	Output is correct
4	Correct	37 ms	4688 KB	Output is correct
5	Correct	20 ms	4316 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	1372 KB	Output is correct
2	Correct	10 ms	1360 KB	Output is correct
3	Correct	10 ms	1344 KB	Output is correct
4	Correct	5 ms	1372 KB	Output is correct
5	Correct	0 ms	604 KB	Output is correct
6	Correct	6 ms	1372 KB	Output is correct
7	Correct	7 ms	1372 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	2392 KB	Output is correct
2	Correct	17 ms	2396 KB	Output is correct
3	Correct	34 ms	3928 KB	Output is correct
4	Correct	21 ms	4060 KB	Output is correct
5	Correct	10 ms	2272 KB	Output is correct
6	Correct	20 ms	3892 KB	Output is correct
7	Correct	22 ms	4308 KB	Output is correct
8	Correct	14 ms	2396 KB	Output is correct

Subtask #7
25.0 / 25.0

#	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	1 ms	348 KB	Output is correct
7	Correct	0 ms	412 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	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 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	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	37 ms	3964 KB	Output is correct
28	Correct	39 ms	4740 KB	Output is correct
29	Correct	39 ms	4552 KB	Output is correct
30	Correct	37 ms	4688 KB	Output is correct
31	Correct	20 ms	4316 KB	Output is correct
32	Correct	10 ms	1372 KB	Output is correct
33	Correct	10 ms	1360 KB	Output is correct
34	Correct	10 ms	1344 KB	Output is correct
35	Correct	5 ms	1372 KB	Output is correct
36	Correct	0 ms	604 KB	Output is correct
37	Correct	6 ms	1372 KB	Output is correct
38	Correct	7 ms	1372 KB	Output is correct
39	Correct	17 ms	2392 KB	Output is correct
40	Correct	17 ms	2396 KB	Output is correct
41	Correct	34 ms	3928 KB	Output is correct
42	Correct	21 ms	4060 KB	Output is correct
43	Correct	10 ms	2272 KB	Output is correct
44	Correct	20 ms	3892 KB	Output is correct
45	Correct	22 ms	4308 KB	Output is correct
46	Correct	14 ms	2396 KB	Output is correct
47	Correct	18 ms	2396 KB	Output is correct
48	Correct	18 ms	2392 KB	Output is correct
49	Correct	39 ms	4572 KB	Output is correct
50	Correct	20 ms	4316 KB	Output is correct
51	Correct	18 ms	3620 KB	Output is correct
52	Correct	20 ms	4824 KB	Output is correct
53	Correct	19 ms	4568 KB	Output is correct
54	Correct	24 ms	5096 KB	Output is correct
55	Correct	31 ms	4688 KB	Output is correct

Submission #1063746

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 13.0 / 13.0

Subtask #4 10.0 / 10.0

Subtask #5 20.0 / 20.0

Subtask #6 17.0 / 17.0

Subtask #7 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
13.0 / 13.0

Subtask #4
10.0 / 10.0

Subtask #5
20.0 / 20.0

Subtask #6
17.0 / 17.0

Subtask #7
25.0 / 25.0