답안 #795634

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
795634	2023-07-27T11:52:26 Z	Trisanu_Das	Global Warming (CEOI18_glo)	C++17	100 / 100	39 ms	4668 KB

#include <bits/stdc++.h>
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 << '\n';
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	37 ms	4480 KB	Output is correct
2	Correct	36 ms	4576 KB	Output is correct
3	Correct	36 ms	4556 KB	Output is correct
4	Correct	38 ms	4556 KB	Output is correct
5	Correct	26 ms	3796 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	1368 KB	Output is correct
2	Correct	9 ms	1404 KB	Output is correct
3	Correct	9 ms	1392 KB	Output is correct
4	Correct	7 ms	1108 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	7 ms	1108 KB	Output is correct
7	Correct	8 ms	1364 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	2460 KB	Output is correct
2	Correct	19 ms	2372 KB	Output is correct
3	Correct	39 ms	4564 KB	Output is correct
4	Correct	28 ms	3760 KB	Output is correct
5	Correct	14 ms	2088 KB	Output is correct
6	Correct	26 ms	3668 KB	Output is correct
7	Correct	27 ms	4404 KB	Output is correct
8	Correct	16 ms	2468 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	37 ms	4480 KB	Output is correct
28	Correct	36 ms	4576 KB	Output is correct
29	Correct	36 ms	4556 KB	Output is correct
30	Correct	38 ms	4556 KB	Output is correct
31	Correct	26 ms	3796 KB	Output is correct
32	Correct	9 ms	1368 KB	Output is correct
33	Correct	9 ms	1404 KB	Output is correct
34	Correct	9 ms	1392 KB	Output is correct
35	Correct	7 ms	1108 KB	Output is correct
36	Correct	0 ms	340 KB	Output is correct
37	Correct	7 ms	1108 KB	Output is correct
38	Correct	8 ms	1364 KB	Output is correct
39	Correct	19 ms	2460 KB	Output is correct
40	Correct	19 ms	2372 KB	Output is correct
41	Correct	39 ms	4564 KB	Output is correct
42	Correct	28 ms	3760 KB	Output is correct
43	Correct	14 ms	2088 KB	Output is correct
44	Correct	26 ms	3668 KB	Output is correct
45	Correct	27 ms	4404 KB	Output is correct
46	Correct	16 ms	2468 KB	Output is correct
47	Correct	18 ms	2472 KB	Output is correct
48	Correct	19 ms	2412 KB	Output is correct
49	Correct	37 ms	4452 KB	Output is correct
50	Correct	26 ms	3768 KB	Output is correct
51	Correct	23 ms	2936 KB	Output is correct
52	Correct	28 ms	3928 KB	Output is correct
53	Correct	24 ms	3884 KB	Output is correct
54	Correct	31 ms	4668 KB	Output is correct
55	Correct	37 ms	4604 KB	Output is correct

답안 #795634

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