Submission #993476

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
993476	2024-06-05T18:17:36 Z	messiuuuuu	Global Warming (CEOI18_glo)	C++14	100 / 100	75 ms	5484 KB

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

int temps[200005];
int pref_longest[200005];

int main() {
	int n;
	int x;
	cin >> n >> x;
	for (int i = 0; i < n; i++) { cin >> temps[i]; }

	vector<int> dp(n, INT_MAX);
	int longest = 0;
	// longest increasing subsequence ending at i
	for (int i = 0; i < n; i++) {
		int j = lower_bound(dp.begin(), dp.end(), temps[i]) - dp.begin();
		dp[j] = temps[i];
		pref_longest[i] = j + 1;
		longest = max(longest, pref_longest[i]);
	}

	dp = vector<int>(n, INT_MAX);
	// longest decreasing subsequence ending at i of reverse
	// = longest increasing subsequence starting at i
	for (int i = n - 1; i >= 0; i--) {
		int pos = lower_bound(dp.begin(), dp.end(), -temps[i] + x) - dp.begin();
		longest = max(longest, pref_longest[i] + pos);

		int insert_pos =
		    lower_bound(dp.begin(), dp.end(), -temps[i]) - dp.begin();
		dp[insert_pos] = -temps[i];
	}
	cout << longest << endl;
}

Subtask #1
5.0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	444 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	444 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	444 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	444 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct
12	Correct	348 KB	Output is correct
13	Correct	348 KB	Output is correct
14	Correct	348 KB	Output is correct
15	Correct	348 KB	Output is correct
16	Correct	348 KB	Output is correct
17	Correct	348 KB	Output is correct
18	Correct	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	444 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	444 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	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	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	1 ms	344 KB	Output is correct
20	Correct	1 ms	452 KB	Output is correct
21	Correct	1 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	0 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	72 ms	5444 KB	Output is correct
2	Correct	74 ms	5460 KB	Output is correct
3	Correct	75 ms	5460 KB	Output is correct
4	Correct	73 ms	5456 KB	Output is correct
5	Correct	48 ms	4700 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	23 ms	1624 KB	Output is correct
2	Correct	18 ms	1624 KB	Output is correct
3	Correct	17 ms	1624 KB	Output is correct
4	Correct	13 ms	1372 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	13 ms	1344 KB	Output is correct
7	Correct	16 ms	1588 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	35 ms	2900 KB	Output is correct
2	Correct	34 ms	2900 KB	Output is correct
3	Correct	73 ms	5308 KB	Output is correct
4	Correct	49 ms	4692 KB	Output is correct
5	Correct	25 ms	2384 KB	Output is correct
6	Correct	45 ms	4436 KB	Output is correct
7	Correct	62 ms	5200 KB	Output is correct
8	Correct	32 ms	2872 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	444 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	444 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	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	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	1 ms	344 KB	Output is correct
20	Correct	1 ms	452 KB	Output is correct
21	Correct	1 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	0 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	72 ms	5444 KB	Output is correct
28	Correct	74 ms	5460 KB	Output is correct
29	Correct	75 ms	5460 KB	Output is correct
30	Correct	73 ms	5456 KB	Output is correct
31	Correct	48 ms	4700 KB	Output is correct
32	Correct	23 ms	1624 KB	Output is correct
33	Correct	18 ms	1624 KB	Output is correct
34	Correct	17 ms	1624 KB	Output is correct
35	Correct	13 ms	1372 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	13 ms	1344 KB	Output is correct
38	Correct	16 ms	1588 KB	Output is correct
39	Correct	35 ms	2900 KB	Output is correct
40	Correct	34 ms	2900 KB	Output is correct
41	Correct	73 ms	5308 KB	Output is correct
42	Correct	49 ms	4692 KB	Output is correct
43	Correct	25 ms	2384 KB	Output is correct
44	Correct	45 ms	4436 KB	Output is correct
45	Correct	62 ms	5200 KB	Output is correct
46	Correct	32 ms	2872 KB	Output is correct
47	Correct	37 ms	2900 KB	Output is correct
48	Correct	37 ms	2900 KB	Output is correct
49	Correct	72 ms	5420 KB	Output is correct
50	Correct	49 ms	4484 KB	Output is correct
51	Correct	39 ms	3420 KB	Output is correct
52	Correct	52 ms	4804 KB	Output is correct
53	Correct	49 ms	4692 KB	Output is correct
54	Correct	64 ms	5424 KB	Output is correct
55	Correct	66 ms	5484 KB	Output is correct

Submission #993476

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