답안 #883590

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
883590	2023-12-05T13:02:56 Z	tsumondai	Global Warming (CEOI18_glo)	C++14	100 / 100	41 ms	4708 KB

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

#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define foru(i, l, r) for(int i = l; i <= r; i++)
#define ford(i, r, l) for(int i = r; i >= l; i--)
#define __TIME  (1.0 * clock() / CLOCKS_PER_SEC)

typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;

const int N = 2e5 + 5;

const int oo = 1e9, mod = 1e9 + 7;

int n, m, k, x, f[2][N], ans=0, a[N];
string s;
vector<int> arr;

void process() {
	cin >> n >> x;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
		f[0][i] = f[1][i] = oo;
	}
	f[0][0] = f[1][0] = -oo;
	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';
	return;
}

signed main() {
	cin.tie(0)->sync_with_stdio(false);
	//freopen(".inp", "r", stdin);
	//freopen(".out", "w", stdout);
	process();
	cerr << "Time elapsed: " << __TIME << " s.\n";
	return 0;
}

// dont stop

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2504 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2504 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2392 KB	Output is correct
25	Correct	2 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	36 ms	4576 KB	Output is correct
2	Correct	36 ms	4708 KB	Output is correct
3	Correct	36 ms	4644 KB	Output is correct
4	Correct	36 ms	4692 KB	Output is correct
5	Correct	25 ms	3928 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	3164 KB	Output is correct
2	Correct	9 ms	3164 KB	Output is correct
3	Correct	9 ms	3176 KB	Output is correct
4	Correct	8 ms	2984 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	7 ms	2908 KB	Output is correct
7	Correct	7 ms	3164 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	3420 KB	Output is correct
2	Correct	19 ms	3420 KB	Output is correct
3	Correct	39 ms	4700 KB	Output is correct
4	Correct	28 ms	3956 KB	Output is correct
5	Correct	14 ms	3160 KB	Output is correct
6	Correct	22 ms	3928 KB	Output is correct
7	Correct	26 ms	4444 KB	Output is correct
8	Correct	16 ms	3656 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2504 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2392 KB	Output is correct
25	Correct	2 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	36 ms	4576 KB	Output is correct
28	Correct	36 ms	4708 KB	Output is correct
29	Correct	36 ms	4644 KB	Output is correct
30	Correct	36 ms	4692 KB	Output is correct
31	Correct	25 ms	3928 KB	Output is correct
32	Correct	9 ms	3164 KB	Output is correct
33	Correct	9 ms	3164 KB	Output is correct
34	Correct	9 ms	3176 KB	Output is correct
35	Correct	8 ms	2984 KB	Output is correct
36	Correct	1 ms	2396 KB	Output is correct
37	Correct	7 ms	2908 KB	Output is correct
38	Correct	7 ms	3164 KB	Output is correct
39	Correct	19 ms	3420 KB	Output is correct
40	Correct	19 ms	3420 KB	Output is correct
41	Correct	39 ms	4700 KB	Output is correct
42	Correct	28 ms	3956 KB	Output is correct
43	Correct	14 ms	3160 KB	Output is correct
44	Correct	22 ms	3928 KB	Output is correct
45	Correct	26 ms	4444 KB	Output is correct
46	Correct	16 ms	3656 KB	Output is correct
47	Correct	18 ms	3416 KB	Output is correct
48	Correct	17 ms	3824 KB	Output is correct
49	Correct	41 ms	4708 KB	Output is correct
50	Correct	25 ms	3932 KB	Output is correct
51	Correct	23 ms	3420 KB	Output is correct
52	Correct	27 ms	3832 KB	Output is correct
53	Correct	24 ms	4048 KB	Output is correct
54	Correct	27 ms	4688 KB	Output is correct
55	Correct	30 ms	4692 KB	Output is correct

답안 #883590

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