답안 #70990 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
70990	2018-08-24T01:25:24 Z	노영훈(#2202)	Global Warming (CEOI18_glo)	C++11	100 / 100	402 ms	6516 KB

#include <bits/stdc++.h>
using namespace std;
const int MX=200010, inf=2e9+1;

int n, A[MX], x, lim;
vector<int> X={-inf};

struct Seg{
	int tree[1<<19]={};

	void upt(int v, int s, int e, int x, int val){
		if(x<s || e<x) return;
		if(s==e){ tree[v]=val; return; }
		upt(v*2,s,(s+e)/2,x,val);
		upt(v*2+1,(s+e)/2+1,e,x,val);
		tree[v]=max(tree[v*2],tree[v*2+1]);
	}
	void upt(int x, int v){
		upt(1,0,lim,x,v);
	}
	int mx(int v, int s, int e, int r){
		if(e<=r) return tree[v];
		int m=(s+e)/2;
		if(r<=m) return mx(v*2,s,m,r);
		else return max(mx(v*2,s,m,r), mx(v*2+1,m+1,e,r));
	}
	int mx(int r){
		return mx(1,0,lim,r);
	}
	int val(int v, int s, int e, int x){
		if(x<s || e<x) return 0;
		if(s==e) return tree[v];
		return max(val(v*2,s,(s+e)/2,x), val(v*2+1,(s+e)/2+1,e,x));
	}
} S1, S2;

int find(int x){
	return upper_bound(X.begin(), X.end(), x)-X.begin()-1;
}

int main(){
	ios::sync_with_stdio(0); cin.tie(0);
	cin>>n>>x;
	for(int i=1; i<=n; i++) cin>>A[i], X.push_back(A[i]);
	sort(X.begin(), X.end());
	lim=unique(X.begin(), X.end())-X.begin();
	X.resize(lim); lim--;

	for(int i=1; i<=n; i++){
		int p1=find(A[i]-1), p2=find(A[i]+x-1), p3=find(A[i]);
		int a=S1.mx(p1), b=S2.mx(p1), c=S1.mx(p2);
		S1.upt(p3, a+1);
		S2.upt(p3, max(b+1, c+1));
/*		for(int j=1; j<=lim; j++) cout<<S1.val(1,0,lim,j)<<' ';
		cout<<'\n';
		for(int j=1; j<=lim; j++) cout<<S2.val(1,0,lim,j)<<' ';
		cout<<'\n';
		cout<<'\n';
		*/
	}
	cout<<S2.mx(lim)<<'\n';
	return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	252 KB	Output is correct
2	Correct	2 ms	356 KB	Output is correct
3	Correct	2 ms	392 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	3 ms	540 KB	Output is correct
6	Correct	2 ms	620 KB	Output is correct
7	Correct	3 ms	620 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct
9	Correct	3 ms	620 KB	Output is correct
10	Correct	2 ms	620 KB	Output is correct
11	Correct	2 ms	620 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	252 KB	Output is correct
2	Correct	2 ms	356 KB	Output is correct
3	Correct	2 ms	392 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	3 ms	540 KB	Output is correct
6	Correct	2 ms	620 KB	Output is correct
7	Correct	3 ms	620 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct
9	Correct	3 ms	620 KB	Output is correct
10	Correct	2 ms	620 KB	Output is correct
11	Correct	2 ms	620 KB	Output is correct
12	Correct	2 ms	620 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Correct	3 ms	636 KB	Output is correct
15	Correct	3 ms	636 KB	Output is correct
16	Correct	2 ms	636 KB	Output is correct
17	Correct	3 ms	636 KB	Output is correct
18	Correct	3 ms	636 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	252 KB	Output is correct
2	Correct	2 ms	356 KB	Output is correct
3	Correct	2 ms	392 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	3 ms	540 KB	Output is correct
6	Correct	2 ms	620 KB	Output is correct
7	Correct	3 ms	620 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct
9	Correct	3 ms	620 KB	Output is correct
10	Correct	2 ms	620 KB	Output is correct
11	Correct	2 ms	620 KB	Output is correct
12	Correct	2 ms	620 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Correct	3 ms	636 KB	Output is correct
15	Correct	3 ms	636 KB	Output is correct
16	Correct	2 ms	636 KB	Output is correct
17	Correct	3 ms	636 KB	Output is correct
18	Correct	3 ms	636 KB	Output is correct
19	Correct	3 ms	636 KB	Output is correct
20	Correct	4 ms	636 KB	Output is correct
21	Correct	4 ms	636 KB	Output is correct
22	Correct	5 ms	636 KB	Output is correct
23	Correct	3 ms	636 KB	Output is correct
24	Correct	3 ms	636 KB	Output is correct
25	Correct	2 ms	636 KB	Output is correct
26	Correct	3 ms	636 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	384 ms	6516 KB	Output is correct
2	Correct	399 ms	6516 KB	Output is correct
3	Correct	338 ms	6516 KB	Output is correct
4	Correct	347 ms	6516 KB	Output is correct
5	Correct	130 ms	6516 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	74 ms	6516 KB	Output is correct
2	Correct	79 ms	6516 KB	Output is correct
3	Correct	77 ms	6516 KB	Output is correct
4	Correct	41 ms	6516 KB	Output is correct
5	Correct	2 ms	6516 KB	Output is correct
6	Correct	39 ms	6516 KB	Output is correct
7	Correct	65 ms	6516 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	152 ms	6516 KB	Output is correct
2	Correct	151 ms	6516 KB	Output is correct
3	Correct	339 ms	6516 KB	Output is correct
4	Correct	133 ms	6516 KB	Output is correct
5	Correct	82 ms	6516 KB	Output is correct
6	Correct	144 ms	6516 KB	Output is correct
7	Correct	147 ms	6516 KB	Output is correct
8	Correct	113 ms	6516 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	252 KB	Output is correct
2	Correct	2 ms	356 KB	Output is correct
3	Correct	2 ms	392 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	3 ms	540 KB	Output is correct
6	Correct	2 ms	620 KB	Output is correct
7	Correct	3 ms	620 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct
9	Correct	3 ms	620 KB	Output is correct
10	Correct	2 ms	620 KB	Output is correct
11	Correct	2 ms	620 KB	Output is correct
12	Correct	2 ms	620 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Correct	3 ms	636 KB	Output is correct
15	Correct	3 ms	636 KB	Output is correct
16	Correct	2 ms	636 KB	Output is correct
17	Correct	3 ms	636 KB	Output is correct
18	Correct	3 ms	636 KB	Output is correct
19	Correct	3 ms	636 KB	Output is correct
20	Correct	4 ms	636 KB	Output is correct
21	Correct	4 ms	636 KB	Output is correct
22	Correct	5 ms	636 KB	Output is correct
23	Correct	3 ms	636 KB	Output is correct
24	Correct	3 ms	636 KB	Output is correct
25	Correct	2 ms	636 KB	Output is correct
26	Correct	3 ms	636 KB	Output is correct
27	Correct	384 ms	6516 KB	Output is correct
28	Correct	399 ms	6516 KB	Output is correct
29	Correct	338 ms	6516 KB	Output is correct
30	Correct	347 ms	6516 KB	Output is correct
31	Correct	130 ms	6516 KB	Output is correct
32	Correct	74 ms	6516 KB	Output is correct
33	Correct	79 ms	6516 KB	Output is correct
34	Correct	77 ms	6516 KB	Output is correct
35	Correct	41 ms	6516 KB	Output is correct
36	Correct	2 ms	6516 KB	Output is correct
37	Correct	39 ms	6516 KB	Output is correct
38	Correct	65 ms	6516 KB	Output is correct
39	Correct	152 ms	6516 KB	Output is correct
40	Correct	151 ms	6516 KB	Output is correct
41	Correct	339 ms	6516 KB	Output is correct
42	Correct	133 ms	6516 KB	Output is correct
43	Correct	82 ms	6516 KB	Output is correct
44	Correct	144 ms	6516 KB	Output is correct
45	Correct	147 ms	6516 KB	Output is correct
46	Correct	113 ms	6516 KB	Output is correct
47	Correct	161 ms	6516 KB	Output is correct
48	Correct	167 ms	6516 KB	Output is correct
49	Correct	402 ms	6516 KB	Output is correct
50	Correct	162 ms	6516 KB	Output is correct
51	Correct	153 ms	6516 KB	Output is correct
52	Correct	219 ms	6516 KB	Output is correct
53	Correct	169 ms	6516 KB	Output is correct
54	Correct	184 ms	6516 KB	Output is correct
55	Correct	302 ms	6516 KB	Output is correct

답안 #70990

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