답안 #943812

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
943812	2024-03-12T01:22:48 Z	pcc	Global Warming (CEOI18_glo)	C++17	100 / 100	50 ms	4308 KB

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

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>


const int mxn = 2e5+10;
int N,X;
int arr[mxn];
int dp[mxn];

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>N>>X;
	for(int i = 1;i<=N;i++)cin>>arr[i];
	vector<int> v;
	for(int i = N;i>=1;i--){
		auto pos = lower_bound(v.begin(),v.end(),-arr[i])-v.begin();
		dp[i] = pos+1;
		if(pos == v.size())v.push_back(-arr[i]);
		else v[pos] = -arr[i];
	}
	v.clear();
	int ans = *max_element(dp+1,dp+N+1);
	for(int i = 1;i+1<=N;i++){
		auto pos = lower_bound(v.begin(),v.end(),arr[i])-v.begin();
		if(pos == v.size())v.push_back(arr[i]);
		else v[pos] = arr[i];
		int tans = dp[i+1];
		tans += lower_bound(v.begin(),v.end(),arr[i+1]+X)-v.begin();
		ans = max(ans,tans);
	}
	cout<<ans<<'\n';
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:25:10: warning: comparison of integer expressions of different signedness: 'long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   if(pos == v.size())v.push_back(-arr[i]);
      |      ~~~~^~~~~~~~~~~
glo.cpp:32:10: warning: comparison of integer expressions of different signedness: 'long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |   if(pos == v.size())v.push_back(arr[i]);
      |      ~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	460 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	460 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	49 ms	3928 KB	Output is correct
2	Correct	50 ms	3920 KB	Output is correct
3	Correct	46 ms	3732 KB	Output is correct
4	Correct	43 ms	3932 KB	Output is correct
5	Correct	20 ms	3540 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	10 ms	1116 KB	Output is correct
2	Correct	10 ms	1352 KB	Output is correct
3	Correct	12 ms	1116 KB	Output is correct
4	Correct	6 ms	1372 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	5 ms	1116 KB	Output is correct
7	Correct	10 ms	1136 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	2136 KB	Output is correct
2	Correct	18 ms	2140 KB	Output is correct
3	Correct	37 ms	3728 KB	Output is correct
4	Correct	21 ms	3544 KB	Output is correct
5	Correct	10 ms	2016 KB	Output is correct
6	Correct	19 ms	3552 KB	Output is correct
7	Correct	21 ms	4200 KB	Output is correct
8	Correct	15 ms	2140 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	460 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	49 ms	3928 KB	Output is correct
28	Correct	50 ms	3920 KB	Output is correct
29	Correct	46 ms	3732 KB	Output is correct
30	Correct	43 ms	3932 KB	Output is correct
31	Correct	20 ms	3540 KB	Output is correct
32	Correct	10 ms	1116 KB	Output is correct
33	Correct	10 ms	1352 KB	Output is correct
34	Correct	12 ms	1116 KB	Output is correct
35	Correct	6 ms	1372 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	5 ms	1116 KB	Output is correct
38	Correct	10 ms	1136 KB	Output is correct
39	Correct	18 ms	2136 KB	Output is correct
40	Correct	18 ms	2140 KB	Output is correct
41	Correct	37 ms	3728 KB	Output is correct
42	Correct	21 ms	3544 KB	Output is correct
43	Correct	10 ms	2016 KB	Output is correct
44	Correct	19 ms	3552 KB	Output is correct
45	Correct	21 ms	4200 KB	Output is correct
46	Correct	15 ms	2140 KB	Output is correct
47	Correct	21 ms	2136 KB	Output is correct
48	Correct	21 ms	2140 KB	Output is correct
49	Correct	44 ms	3920 KB	Output is correct
50	Correct	21 ms	3552 KB	Output is correct
51	Correct	19 ms	3036 KB	Output is correct
52	Correct	23 ms	3720 KB	Output is correct
53	Correct	19 ms	3808 KB	Output is correct
54	Correct	22 ms	4308 KB	Output is correct
55	Correct	34 ms	3984 KB	Output is correct

답안 #943812

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