Submission #539172

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
539172	2022-03-18T14:15:28 Z	UncoolAnon	Global Warming (CEOI18_glo)	C++17	100 / 100	130 ms	7756 KB

#include <bits/stdc++.h>
using namespace std; 
const int mx=1e6+5;
vector<int> tw(mx,1e9); 
int query(int i,int l,int r,int v){
	if(l==r) return l; 
	if(tw[i*2+1]<v) return query(i*2+1,(l+r)/2+1,r,v); 
	return query(i*2,l,(r+l)/2,v); 
}
void update(int i,int l,int r,int target,int v){
	if(target<l||r<target) return; 
	if(l==r) tw[i]=min(tw[i],v); 
	else{
		update(i*2,l,(r+l)/2,target,v); 
		update(i*2+1,(r+l)/2+1,r,target,v); 
		tw[i]=min(tw[i*2],tw[i*2+1]); 
	}
}
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(nullptr); 
	int n,x; 
	cin>>n>>x;
	vector<int> a(n); 
	for(int&x:a)cin>>x; 
	vector<int> on(n+1,2e9+1);
	on[0]=0; 
	update(1,0,n,0,0); 
	int answer=0; 
	for(int i=0;i<n;i++){
		int l=0,r=n+1;
		while(r-l!=1){int md=(r+l)/2; if(on[md]<a[i]) l=md;else r=md;}
		int one=l+1; 
		l=0,r=n+1;
		while(r-l!=1){int md=(r+l)/2; if(on[md]-x<a[i]) l=md; else r=md;}
		int two=l+1;
		l=query(1,0,n,a[i]); 
		on[one]=min(a[i],on[one]); 
		answer=max({answer,l+1,two,one}); 
		update(1,0,n,max({l+1,two,one}),a[i]); 
	}
	cout<<answer; 
	return 0; 
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4180 KB	Output is correct
2	Correct	3 ms	4180 KB	Output is correct
3	Correct	3 ms	4180 KB	Output is correct
4	Correct	3 ms	4180 KB	Output is correct
5	Correct	3 ms	4180 KB	Output is correct
6	Correct	3 ms	4180 KB	Output is correct
7	Correct	3 ms	4180 KB	Output is correct
8	Correct	2 ms	4180 KB	Output is correct
9	Correct	2 ms	4180 KB	Output is correct
10	Correct	2 ms	4180 KB	Output is correct
11	Correct	3 ms	4180 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4180 KB	Output is correct
2	Correct	3 ms	4180 KB	Output is correct
3	Correct	3 ms	4180 KB	Output is correct
4	Correct	3 ms	4180 KB	Output is correct
5	Correct	3 ms	4180 KB	Output is correct
6	Correct	3 ms	4180 KB	Output is correct
7	Correct	3 ms	4180 KB	Output is correct
8	Correct	2 ms	4180 KB	Output is correct
9	Correct	2 ms	4180 KB	Output is correct
10	Correct	2 ms	4180 KB	Output is correct
11	Correct	3 ms	4180 KB	Output is correct
12	Correct	3 ms	4180 KB	Output is correct
13	Correct	3 ms	4180 KB	Output is correct
14	Correct	3 ms	4180 KB	Output is correct
15	Correct	3 ms	4180 KB	Output is correct
16	Correct	2 ms	4180 KB	Output is correct
17	Correct	2 ms	4180 KB	Output is correct
18	Correct	2 ms	4180 KB	Output is correct

Subtask #3
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4180 KB	Output is correct
2	Correct	3 ms	4180 KB	Output is correct
3	Correct	3 ms	4180 KB	Output is correct
4	Correct	3 ms	4180 KB	Output is correct
5	Correct	3 ms	4180 KB	Output is correct
6	Correct	3 ms	4180 KB	Output is correct
7	Correct	3 ms	4180 KB	Output is correct
8	Correct	2 ms	4180 KB	Output is correct
9	Correct	2 ms	4180 KB	Output is correct
10	Correct	2 ms	4180 KB	Output is correct
11	Correct	3 ms	4180 KB	Output is correct
12	Correct	3 ms	4180 KB	Output is correct
13	Correct	3 ms	4180 KB	Output is correct
14	Correct	3 ms	4180 KB	Output is correct
15	Correct	3 ms	4180 KB	Output is correct
16	Correct	2 ms	4180 KB	Output is correct
17	Correct	2 ms	4180 KB	Output is correct
18	Correct	2 ms	4180 KB	Output is correct
19	Correct	3 ms	4180 KB	Output is correct
20	Correct	3 ms	4252 KB	Output is correct
21	Correct	3 ms	4180 KB	Output is correct
22	Correct	3 ms	4256 KB	Output is correct
23	Correct	3 ms	4180 KB	Output is correct
24	Correct	3 ms	4256 KB	Output is correct
25	Correct	3 ms	4252 KB	Output is correct
26	Correct	3 ms	4308 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	111 ms	7696 KB	Output is correct
2	Correct	102 ms	7684 KB	Output is correct
3	Correct	112 ms	7720 KB	Output is correct
4	Correct	110 ms	7728 KB	Output is correct
5	Correct	103 ms	6916 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	25 ms	5076 KB	Output is correct
2	Correct	27 ms	5076 KB	Output is correct
3	Correct	25 ms	5052 KB	Output is correct
4	Correct	23 ms	4908 KB	Output is correct
5	Correct	3 ms	4180 KB	Output is correct
6	Correct	26 ms	4820 KB	Output is correct
7	Correct	25 ms	5068 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	55 ms	5980 KB	Output is correct
2	Correct	48 ms	5908 KB	Output is correct
3	Correct	97 ms	7728 KB	Output is correct
4	Correct	128 ms	6952 KB	Output is correct
5	Correct	58 ms	5596 KB	Output is correct
6	Correct	86 ms	6912 KB	Output is correct
7	Correct	95 ms	7580 KB	Output is correct
8	Correct	48 ms	5988 KB	Output is correct

Subtask #7
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4180 KB	Output is correct
2	Correct	3 ms	4180 KB	Output is correct
3	Correct	3 ms	4180 KB	Output is correct
4	Correct	3 ms	4180 KB	Output is correct
5	Correct	3 ms	4180 KB	Output is correct
6	Correct	3 ms	4180 KB	Output is correct
7	Correct	3 ms	4180 KB	Output is correct
8	Correct	2 ms	4180 KB	Output is correct
9	Correct	2 ms	4180 KB	Output is correct
10	Correct	2 ms	4180 KB	Output is correct
11	Correct	3 ms	4180 KB	Output is correct
12	Correct	3 ms	4180 KB	Output is correct
13	Correct	3 ms	4180 KB	Output is correct
14	Correct	3 ms	4180 KB	Output is correct
15	Correct	3 ms	4180 KB	Output is correct
16	Correct	2 ms	4180 KB	Output is correct
17	Correct	2 ms	4180 KB	Output is correct
18	Correct	2 ms	4180 KB	Output is correct
19	Correct	3 ms	4180 KB	Output is correct
20	Correct	3 ms	4252 KB	Output is correct
21	Correct	3 ms	4180 KB	Output is correct
22	Correct	3 ms	4256 KB	Output is correct
23	Correct	3 ms	4180 KB	Output is correct
24	Correct	3 ms	4256 KB	Output is correct
25	Correct	3 ms	4252 KB	Output is correct
26	Correct	3 ms	4308 KB	Output is correct
27	Correct	111 ms	7696 KB	Output is correct
28	Correct	102 ms	7684 KB	Output is correct
29	Correct	112 ms	7720 KB	Output is correct
30	Correct	110 ms	7728 KB	Output is correct
31	Correct	103 ms	6916 KB	Output is correct
32	Correct	25 ms	5076 KB	Output is correct
33	Correct	27 ms	5076 KB	Output is correct
34	Correct	25 ms	5052 KB	Output is correct
35	Correct	23 ms	4908 KB	Output is correct
36	Correct	3 ms	4180 KB	Output is correct
37	Correct	26 ms	4820 KB	Output is correct
38	Correct	25 ms	5068 KB	Output is correct
39	Correct	55 ms	5980 KB	Output is correct
40	Correct	48 ms	5908 KB	Output is correct
41	Correct	97 ms	7728 KB	Output is correct
42	Correct	128 ms	6952 KB	Output is correct
43	Correct	58 ms	5596 KB	Output is correct
44	Correct	86 ms	6912 KB	Output is correct
45	Correct	95 ms	7580 KB	Output is correct
46	Correct	48 ms	5988 KB	Output is correct
47	Correct	53 ms	5984 KB	Output is correct
48	Correct	52 ms	5964 KB	Output is correct
49	Correct	108 ms	7716 KB	Output is correct
50	Correct	130 ms	6960 KB	Output is correct
51	Correct	98 ms	6276 KB	Output is correct
52	Correct	113 ms	7044 KB	Output is correct
53	Correct	112 ms	7056 KB	Output is correct
54	Correct	101 ms	7756 KB	Output is correct
55	Correct	102 ms	7704 KB	Output is correct

Submission #539172

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