oj.uz

Submission #943812

# Submission time Handle Problem Language Result Execution time Memory
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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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