Submission #77315

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
77315	2018-09-25T14:14:28 Z	tmwilliamlin168	Global Warming (CEOI18_glo)	C++14	100 / 100	171 ms	37368 KB

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

const int mxN=2e5;
int n, x, t[mxN], ps[mxN], ft[2][mxN+1];

inline void upd(int k, int i, int x) {
	for(++i; i<=n; i+=i&-i)
		ft[k][i]=max(x, ft[k][i]);
}

inline int qry(int k, int i) {
	int r=0;
	for(; i; i-=i&-i)
		r=max(ft[k][i], r);
	return r;
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n >> x;
	for(int i=0; i<n; ++i)
		cin >> t[i], ps[i]=t[i];
	sort(ps, ps+n);
	for(int i=0; i<n; ++i) {
		int p=lower_bound(ps, ps+n, t[i])-ps, a=qry(0, p), b=qry(0, lower_bound(ps, ps+n, t[i]+x)-ps), c=qry(1, p);
		upd(0, p, a+1);
		upd(1, p, max(b, c)+1);
	}
	cout << qry(1, n);
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	516 KB	Output is correct
3	Correct	2 ms	516 KB	Output is correct
4	Correct	2 ms	516 KB	Output is correct
5	Correct	2 ms	516 KB	Output is correct
6	Correct	2 ms	516 KB	Output is correct
7	Correct	2 ms	532 KB	Output is correct
8	Correct	2 ms	536 KB	Output is correct
9	Correct	2 ms	560 KB	Output is correct
10	Correct	2 ms	560 KB	Output is correct
11	Correct	2 ms	560 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	516 KB	Output is correct
3	Correct	2 ms	516 KB	Output is correct
4	Correct	2 ms	516 KB	Output is correct
5	Correct	2 ms	516 KB	Output is correct
6	Correct	2 ms	516 KB	Output is correct
7	Correct	2 ms	532 KB	Output is correct
8	Correct	2 ms	536 KB	Output is correct
9	Correct	2 ms	560 KB	Output is correct
10	Correct	2 ms	560 KB	Output is correct
11	Correct	2 ms	560 KB	Output is correct
12	Correct	2 ms	568 KB	Output is correct
13	Correct	2 ms	572 KB	Output is correct
14	Correct	2 ms	576 KB	Output is correct
15	Correct	2 ms	628 KB	Output is correct
16	Correct	2 ms	632 KB	Output is correct
17	Correct	2 ms	676 KB	Output is correct
18	Correct	2 ms	684 KB	Output is correct

Subtask #3
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	516 KB	Output is correct
3	Correct	2 ms	516 KB	Output is correct
4	Correct	2 ms	516 KB	Output is correct
5	Correct	2 ms	516 KB	Output is correct
6	Correct	2 ms	516 KB	Output is correct
7	Correct	2 ms	532 KB	Output is correct
8	Correct	2 ms	536 KB	Output is correct
9	Correct	2 ms	560 KB	Output is correct
10	Correct	2 ms	560 KB	Output is correct
11	Correct	2 ms	560 KB	Output is correct
12	Correct	2 ms	568 KB	Output is correct
13	Correct	2 ms	572 KB	Output is correct
14	Correct	2 ms	576 KB	Output is correct
15	Correct	2 ms	628 KB	Output is correct
16	Correct	2 ms	632 KB	Output is correct
17	Correct	2 ms	676 KB	Output is correct
18	Correct	2 ms	684 KB	Output is correct
19	Correct	3 ms	728 KB	Output is correct
20	Correct	3 ms	868 KB	Output is correct
21	Correct	2 ms	868 KB	Output is correct
22	Correct	3 ms	868 KB	Output is correct
23	Correct	3 ms	868 KB	Output is correct
24	Correct	2 ms	908 KB	Output is correct
25	Correct	2 ms	908 KB	Output is correct
26	Correct	2 ms	908 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	136 ms	5984 KB	Output is correct
2	Correct	138 ms	7840 KB	Output is correct
3	Correct	138 ms	9912 KB	Output is correct
4	Correct	171 ms	11884 KB	Output is correct
5	Correct	70 ms	12260 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	31 ms	12260 KB	Output is correct
2	Correct	41 ms	12260 KB	Output is correct
3	Correct	30 ms	12260 KB	Output is correct
4	Correct	17 ms	12260 KB	Output is correct
5	Correct	2 ms	12260 KB	Output is correct
6	Correct	17 ms	12588 KB	Output is correct
7	Correct	27 ms	13128 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	55 ms	14772 KB	Output is correct
2	Correct	54 ms	15736 KB	Output is correct
3	Correct	118 ms	19312 KB	Output is correct
4	Correct	68 ms	19776 KB	Output is correct
5	Correct	33 ms	19776 KB	Output is correct
6	Correct	61 ms	22036 KB	Output is correct
7	Correct	65 ms	23864 KB	Output is correct
8	Correct	46 ms	23864 KB	Output is correct

Subtask #7
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	516 KB	Output is correct
3	Correct	2 ms	516 KB	Output is correct
4	Correct	2 ms	516 KB	Output is correct
5	Correct	2 ms	516 KB	Output is correct
6	Correct	2 ms	516 KB	Output is correct
7	Correct	2 ms	532 KB	Output is correct
8	Correct	2 ms	536 KB	Output is correct
9	Correct	2 ms	560 KB	Output is correct
10	Correct	2 ms	560 KB	Output is correct
11	Correct	2 ms	560 KB	Output is correct
12	Correct	2 ms	568 KB	Output is correct
13	Correct	2 ms	572 KB	Output is correct
14	Correct	2 ms	576 KB	Output is correct
15	Correct	2 ms	628 KB	Output is correct
16	Correct	2 ms	632 KB	Output is correct
17	Correct	2 ms	676 KB	Output is correct
18	Correct	2 ms	684 KB	Output is correct
19	Correct	3 ms	728 KB	Output is correct
20	Correct	3 ms	868 KB	Output is correct
21	Correct	2 ms	868 KB	Output is correct
22	Correct	3 ms	868 KB	Output is correct
23	Correct	3 ms	868 KB	Output is correct
24	Correct	2 ms	908 KB	Output is correct
25	Correct	2 ms	908 KB	Output is correct
26	Correct	2 ms	908 KB	Output is correct
27	Correct	136 ms	5984 KB	Output is correct
28	Correct	138 ms	7840 KB	Output is correct
29	Correct	138 ms	9912 KB	Output is correct
30	Correct	171 ms	11884 KB	Output is correct
31	Correct	70 ms	12260 KB	Output is correct
32	Correct	31 ms	12260 KB	Output is correct
33	Correct	41 ms	12260 KB	Output is correct
34	Correct	30 ms	12260 KB	Output is correct
35	Correct	17 ms	12260 KB	Output is correct
36	Correct	2 ms	12260 KB	Output is correct
37	Correct	17 ms	12588 KB	Output is correct
38	Correct	27 ms	13128 KB	Output is correct
39	Correct	55 ms	14772 KB	Output is correct
40	Correct	54 ms	15736 KB	Output is correct
41	Correct	118 ms	19312 KB	Output is correct
42	Correct	68 ms	19776 KB	Output is correct
43	Correct	33 ms	19776 KB	Output is correct
44	Correct	61 ms	22036 KB	Output is correct
45	Correct	65 ms	23864 KB	Output is correct
46	Correct	46 ms	23864 KB	Output is correct
47	Correct	63 ms	24408 KB	Output is correct
48	Correct	66 ms	25372 KB	Output is correct
49	Correct	164 ms	28896 KB	Output is correct
50	Correct	69 ms	29668 KB	Output is correct
51	Correct	61 ms	30188 KB	Output is correct
52	Correct	85 ms	32228 KB	Output is correct
53	Correct	63 ms	33500 KB	Output is correct
54	Correct	74 ms	35396 KB	Output is correct
55	Correct	111 ms	37368 KB	Output is correct

Submission #77315

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