Submission #384862

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
384862	2021-04-02T13:52:07 Z	ngpin04	Global Warming (CEOI18_glo)	C++14	100 / 100	70 ms	4716 KB

#include <bits/stdc++.h>

using namespace std;
const int N = 2e5 + 5;

int dp[N];
int a[N];
int n,x;

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> x;
	for (int i = 1; i <= n; i++)
		cin >> a[i];

	vector <int> lis(n, 1e9 + 1);
	for (int i = 1; i <= n; i++) {
		int j = lower_bound(lis.begin(), lis.end(), a[i]) - lis.begin();
		dp[i] = j + 1;
		lis[j] = a[i];
	}

	lis.assign(n, 1e9 + 1);
	int ans = 0;
	for (int i = n; i >= 1; i--) {
		int j = lower_bound(lis.begin(), lis.end(), -(a[i] - x)) - lis.begin();
		int k = lower_bound(lis.begin(), lis.end(), -a[i]) - lis.begin();
		ans = max(ans, dp[i] + j);
		lis[k] = -a[i];
	}
	cout << ans;
	return 0;
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct

Subtask #3
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	66 ms	2668 KB	Output is correct
2	Correct	70 ms	4588 KB	Output is correct
3	Correct	68 ms	4644 KB	Output is correct
4	Correct	69 ms	4580 KB	Output is correct
5	Correct	49 ms	3820 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	15 ms	896 KB	Output is correct
2	Correct	16 ms	876 KB	Output is correct
3	Correct	16 ms	876 KB	Output is correct
4	Correct	13 ms	876 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	13 ms	876 KB	Output is correct
7	Correct	14 ms	876 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	29 ms	1516 KB	Output is correct
2	Correct	29 ms	1516 KB	Output is correct
3	Correct	61 ms	4588 KB	Output is correct
4	Correct	50 ms	3820 KB	Output is correct
5	Correct	27 ms	2132 KB	Output is correct
6	Correct	44 ms	3820 KB	Output is correct
7	Correct	49 ms	4460 KB	Output is correct
8	Correct	26 ms	2540 KB	Output is correct

Subtask #7
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	66 ms	2668 KB	Output is correct
28	Correct	70 ms	4588 KB	Output is correct
29	Correct	68 ms	4644 KB	Output is correct
30	Correct	69 ms	4580 KB	Output is correct
31	Correct	49 ms	3820 KB	Output is correct
32	Correct	15 ms	896 KB	Output is correct
33	Correct	16 ms	876 KB	Output is correct
34	Correct	16 ms	876 KB	Output is correct
35	Correct	13 ms	876 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	13 ms	876 KB	Output is correct
38	Correct	14 ms	876 KB	Output is correct
39	Correct	29 ms	1516 KB	Output is correct
40	Correct	29 ms	1516 KB	Output is correct
41	Correct	61 ms	4588 KB	Output is correct
42	Correct	50 ms	3820 KB	Output is correct
43	Correct	27 ms	2132 KB	Output is correct
44	Correct	44 ms	3820 KB	Output is correct
45	Correct	49 ms	4460 KB	Output is correct
46	Correct	26 ms	2540 KB	Output is correct
47	Correct	33 ms	2540 KB	Output is correct
48	Correct	34 ms	2540 KB	Output is correct
49	Correct	67 ms	4588 KB	Output is correct
50	Correct	50 ms	3820 KB	Output is correct
51	Correct	40 ms	2924 KB	Output is correct
52	Correct	51 ms	3948 KB	Output is correct
53	Correct	47 ms	3948 KB	Output is correct
54	Correct	51 ms	4716 KB	Output is correct
55	Correct	57 ms	4588 KB	Output is correct

Submission #384862

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