답안 #197856

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
197856	2020-01-23T17:19:34 Z	tuna	Global Warming (CEOI18_glo)	C++11	100 / 100	69 ms	4856 KB

#include "bits/stdc++.h"
using ll = long long;
using namespace std;

const int N = 2e5 + 1, mod = 1e9 + 7;

int n, x, ans = 0, a[N], f[2][N];

int main() { cin.tie(0)->sync_with_stdio(0);
	cin >> n >> x;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
		f[0][i] = f[1][i] = INT_MAX;
	}
	f[0][0] = f[1][0] = -INT_MAX;
	for (int i = 2; i <= n; i++) {
		int k = lower_bound(f[0] + 1, f[0] + n + 1, a[i - 1] - x) - f[0];
		f[0][k] = a[i - 1] - x;
		f[1][k] = min(f[1][k], f[0][k]);
		ans = max(ans, k);
		k = lower_bound(f[1] + 1, f[1] + n + 1, a[i]) - f[1];
		f[1][k] = a[i];
		ans = max(ans, k);
	}
	cout << ans;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	1 ms	376 KB	Output is correct
6	Correct	0 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	4 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	248 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	1 ms	376 KB	Output is correct
6	Correct	0 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	4 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	248 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	296 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	3 ms	376 KB	Output is correct
18	Correct	1 ms	376 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	1 ms	376 KB	Output is correct
6	Correct	0 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	4 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	248 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	296 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	3 ms	376 KB	Output is correct
18	Correct	1 ms	376 KB	Output is correct
19	Correct	3 ms	376 KB	Output is correct
20	Correct	3 ms	396 KB	Output is correct
21	Correct	18 ms	380 KB	Output is correct
22	Correct	3 ms	376 KB	Output is correct
23	Correct	3 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	62 ms	4144 KB	Output is correct
2	Correct	69 ms	4180 KB	Output is correct
3	Correct	62 ms	4136 KB	Output is correct
4	Correct	61 ms	4216 KB	Output is correct
5	Correct	43 ms	3832 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	1400 KB	Output is correct
2	Correct	14 ms	1272 KB	Output is correct
3	Correct	16 ms	1400 KB	Output is correct
4	Correct	13 ms	1144 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	6 ms	1244 KB	Output is correct
7	Correct	14 ms	1404 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	2324 KB	Output is correct
2	Correct	25 ms	2424 KB	Output is correct
3	Correct	60 ms	4072 KB	Output is correct
4	Correct	46 ms	3964 KB	Output is correct
5	Correct	25 ms	2168 KB	Output is correct
6	Correct	42 ms	3744 KB	Output is correct
7	Correct	47 ms	4472 KB	Output is correct
8	Correct	29 ms	2552 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	1 ms	376 KB	Output is correct
6	Correct	0 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	4 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	248 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	296 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	3 ms	376 KB	Output is correct
18	Correct	1 ms	376 KB	Output is correct
19	Correct	3 ms	376 KB	Output is correct
20	Correct	3 ms	396 KB	Output is correct
21	Correct	18 ms	380 KB	Output is correct
22	Correct	3 ms	376 KB	Output is correct
23	Correct	3 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	62 ms	4144 KB	Output is correct
28	Correct	69 ms	4180 KB	Output is correct
29	Correct	62 ms	4136 KB	Output is correct
30	Correct	61 ms	4216 KB	Output is correct
31	Correct	43 ms	3832 KB	Output is correct
32	Correct	16 ms	1400 KB	Output is correct
33	Correct	14 ms	1272 KB	Output is correct
34	Correct	16 ms	1400 KB	Output is correct
35	Correct	13 ms	1144 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	6 ms	1244 KB	Output is correct
38	Correct	14 ms	1404 KB	Output is correct
39	Correct	17 ms	2324 KB	Output is correct
40	Correct	25 ms	2424 KB	Output is correct
41	Correct	60 ms	4072 KB	Output is correct
42	Correct	46 ms	3964 KB	Output is correct
43	Correct	25 ms	2168 KB	Output is correct
44	Correct	42 ms	3744 KB	Output is correct
45	Correct	47 ms	4472 KB	Output is correct
46	Correct	29 ms	2552 KB	Output is correct
47	Correct	31 ms	2584 KB	Output is correct
48	Correct	32 ms	2680 KB	Output is correct
49	Correct	62 ms	4664 KB	Output is correct
50	Correct	45 ms	3960 KB	Output is correct
51	Correct	39 ms	3064 KB	Output is correct
52	Correct	50 ms	3960 KB	Output is correct
53	Correct	44 ms	3960 KB	Output is correct
54	Correct	51 ms	4856 KB	Output is correct
55	Correct	57 ms	4728 KB	Output is correct

답안 #197856

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