Submission #748658

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
748658	2023-05-26T17:17:21 Z	pera	Global Warming (CEOI18_glo)	C++14	100 / 100	61 ms	6972 KB

#include<bits/stdc++.h>

using namespace std;

#define pb push_back
#define ll long long
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()

#define int ll

const ll mod = 1e9 + 7;


main(){
	ios::sync_with_stdio(0);
	cin.tie(0),cout.tie(0);
	int n , x;cin >> n >> x;
	vector<int> a(n) , s(n);
	vector<int> dp(n , LLONG_MAX);
	int ans = 0;
	for(int i = 0;i < n;i ++){
		cin >> a[i];
		int w = lower_bound(all(dp) , a[i]) - dp.begin();
		dp[w] = a[i];
		s[i] = w + 1;
		ans = max(ans , s[i]);
	}
	for(int i = 0;i < n;i ++) dp[i] = LLONG_MAX;
	for(int i = n - 1;i > -1;i --){
		int j = lower_bound(all(dp) , x - a[i]) - dp.begin();
		int y = lower_bound(all(dp) , -a[i]) - dp.begin();
		//cout << s[i] << " " << j << endl;
		ans = max(ans , s[i] + j);
		dp[y] = -a[i];
	}
	cout << ans << endl;
}

Compilation message

glo.cpp:15:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   15 | main(){
      | ^~~~

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	320 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	1 ms	324 KB	Output is correct
6	Correct	0 ms	324 KB	Output is correct
7	Correct	1 ms	328 KB	Output is correct
8	Correct	0 ms	320 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	320 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	1 ms	324 KB	Output is correct
6	Correct	0 ms	324 KB	Output is correct
7	Correct	1 ms	328 KB	Output is correct
8	Correct	0 ms	320 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	320 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	320 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct

Subtask #3
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	320 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	1 ms	324 KB	Output is correct
6	Correct	0 ms	324 KB	Output is correct
7	Correct	1 ms	328 KB	Output is correct
8	Correct	0 ms	320 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	320 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	320 KB	Output is correct
18	Correct	1 ms	212 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	324 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

#	Verdict	Execution time	Memory	Grader output
1	Correct	49 ms	4948 KB	Output is correct
2	Correct	49 ms	4948 KB	Output is correct
3	Correct	59 ms	5016 KB	Output is correct
4	Correct	61 ms	5016 KB	Output is correct
5	Correct	37 ms	4948 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	11 ms	1492 KB	Output is correct
2	Correct	12 ms	1512 KB	Output is correct
3	Correct	13 ms	1488 KB	Output is correct
4	Correct	11 ms	1504 KB	Output is correct
5	Correct	0 ms	324 KB	Output is correct
6	Correct	9 ms	1748 KB	Output is correct
7	Correct	11 ms	2000 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	23 ms	2644 KB	Output is correct
2	Correct	24 ms	3568 KB	Output is correct
3	Correct	51 ms	6928 KB	Output is correct
4	Correct	42 ms	6176 KB	Output is correct
5	Correct	25 ms	3160 KB	Output is correct
6	Correct	36 ms	5976 KB	Output is correct
7	Correct	39 ms	6568 KB	Output is correct
8	Correct	24 ms	3668 KB	Output is correct

Subtask #7
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	320 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	1 ms	324 KB	Output is correct
6	Correct	0 ms	324 KB	Output is correct
7	Correct	1 ms	328 KB	Output is correct
8	Correct	0 ms	320 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	320 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	320 KB	Output is correct
18	Correct	1 ms	212 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	324 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	49 ms	4948 KB	Output is correct
28	Correct	49 ms	4948 KB	Output is correct
29	Correct	59 ms	5016 KB	Output is correct
30	Correct	61 ms	5016 KB	Output is correct
31	Correct	37 ms	4948 KB	Output is correct
32	Correct	11 ms	1492 KB	Output is correct
33	Correct	12 ms	1512 KB	Output is correct
34	Correct	13 ms	1488 KB	Output is correct
35	Correct	11 ms	1504 KB	Output is correct
36	Correct	0 ms	324 KB	Output is correct
37	Correct	9 ms	1748 KB	Output is correct
38	Correct	11 ms	2000 KB	Output is correct
39	Correct	23 ms	2644 KB	Output is correct
40	Correct	24 ms	3568 KB	Output is correct
41	Correct	51 ms	6928 KB	Output is correct
42	Correct	42 ms	6176 KB	Output is correct
43	Correct	25 ms	3160 KB	Output is correct
44	Correct	36 ms	5976 KB	Output is correct
45	Correct	39 ms	6568 KB	Output is correct
46	Correct	24 ms	3668 KB	Output is correct
47	Correct	25 ms	3540 KB	Output is correct
48	Correct	25 ms	3572 KB	Output is correct
49	Correct	51 ms	6920 KB	Output is correct
50	Correct	41 ms	6184 KB	Output is correct
51	Correct	37 ms	4608 KB	Output is correct
52	Correct	38 ms	6228 KB	Output is correct
53	Correct	33 ms	6228 KB	Output is correct
54	Correct	36 ms	6928 KB	Output is correct
55	Correct	42 ms	6972 KB	Output is correct

Submission #748658

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