Submission #73468

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
73468	2018-08-28T09:56:42 Z	duckmoon99	Global Warming (CEOI18_glo)	C++14	100 / 100	1380 ms	26976 KB

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fbo find_by_order
#define ook order_of_key
#define INF 1e18
#define ret return

typedef long long ll;
typedef pair<int,int> ii;
typedef vector<int> vi;
typedef vector < pair<int, int> > vii;
typedef long double ld;
typedef tree<pair<int,int>, null_type, less<pair<int,int> >, rb_tree_tag, tree_order_statistics_node_update> pbds;
typedef set<int>::iterator sit;
typedef map<int,int>::iterator mit;
typedef vector<int>::iterator vit;

int treee[522222];
int treee1[522222];
int n;
ll x;

void upd(int h, int xx){
	for(;h <= 2*n; h+=(h&(-h))){
		treee[h]=max(treee[h],xx);
	}
}

int que(int v){
	int res = 0;
	while(v){
		res=max(res,treee[v]);
		v-=(v&(-v));
	}
	ret res;
}

void upd1(int h, int xx){
	for(;h <= 2*n; h+=(h&(-h))){
		treee1[h]=max(treee1[h],xx);
	}
}

int que1(int v){
	//cout << v << endl;
	int res = 0;
	while(v){
		res=max(res,treee1[v]);
		v-=(v&(-v));
	}
	ret res;
}

vi b;
map<int,int> id;
int a[222222],p[222222], s[222222];

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n >> x;
    for(int i = 0; i < n; i++){
		cin >> a[i];
		b.pb(a[i]);
		b.pb(a[i]+x-1);
	}
	sort(b.begin(),b.end());
	for(int i = 0; i < 2*n; i++){
		id[b[i]]=i+1;
	}
	for(int i = 0; i < n; i++){
		p[i]=que(id[a[i]]-1)+1;
		upd(id[a[i]],p[i]);
	}
	b.clear();
	for(int i = 0; i < n; i++){
		b.pb(-id[a[i]]+2*n+1);
	}
	reverse(b.begin(),b.end());
	for(int i = 0; i < n; i++){
		//cout << b[i] << " ";
		s[n-i-1]=que1(b[i]-1)+1;
		upd1(b[i],s[n-i-1]);
	}
	int ans = p[n-1];
	memset(treee,0,sizeof(treee));
	for(int i = 0; i < n; i++){
		ans=max(que(id[a[i]+x-1])+s[i],ans);
		upd(id[a[i]],p[i]);
	}
	cout << ans << '\n';
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	2424 KB	Output is correct
2	Correct	5 ms	2424 KB	Output is correct
3	Correct	5 ms	2568 KB	Output is correct
4	Correct	6 ms	2568 KB	Output is correct
5	Correct	4 ms	2568 KB	Output is correct
6	Correct	4 ms	2568 KB	Output is correct
7	Correct	4 ms	2568 KB	Output is correct
8	Correct	4 ms	2568 KB	Output is correct
9	Correct	5 ms	2644 KB	Output is correct
10	Correct	5 ms	2644 KB	Output is correct
11	Correct	4 ms	2644 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	2424 KB	Output is correct
2	Correct	5 ms	2424 KB	Output is correct
3	Correct	5 ms	2568 KB	Output is correct
4	Correct	6 ms	2568 KB	Output is correct
5	Correct	4 ms	2568 KB	Output is correct
6	Correct	4 ms	2568 KB	Output is correct
7	Correct	4 ms	2568 KB	Output is correct
8	Correct	4 ms	2568 KB	Output is correct
9	Correct	5 ms	2644 KB	Output is correct
10	Correct	5 ms	2644 KB	Output is correct
11	Correct	4 ms	2644 KB	Output is correct
12	Correct	5 ms	2644 KB	Output is correct
13	Correct	6 ms	2644 KB	Output is correct
14	Correct	6 ms	2648 KB	Output is correct
15	Correct	4 ms	2648 KB	Output is correct
16	Correct	4 ms	2648 KB	Output is correct
17	Correct	4 ms	2648 KB	Output is correct
18	Correct	5 ms	2648 KB	Output is correct

Subtask #3
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	2424 KB	Output is correct
2	Correct	5 ms	2424 KB	Output is correct
3	Correct	5 ms	2568 KB	Output is correct
4	Correct	6 ms	2568 KB	Output is correct
5	Correct	4 ms	2568 KB	Output is correct
6	Correct	4 ms	2568 KB	Output is correct
7	Correct	4 ms	2568 KB	Output is correct
8	Correct	4 ms	2568 KB	Output is correct
9	Correct	5 ms	2644 KB	Output is correct
10	Correct	5 ms	2644 KB	Output is correct
11	Correct	4 ms	2644 KB	Output is correct
12	Correct	5 ms	2644 KB	Output is correct
13	Correct	6 ms	2644 KB	Output is correct
14	Correct	6 ms	2648 KB	Output is correct
15	Correct	4 ms	2648 KB	Output is correct
16	Correct	4 ms	2648 KB	Output is correct
17	Correct	4 ms	2648 KB	Output is correct
18	Correct	5 ms	2648 KB	Output is correct
19	Correct	6 ms	2772 KB	Output is correct
20	Correct	5 ms	2772 KB	Output is correct
21	Correct	5 ms	2772 KB	Output is correct
22	Correct	5 ms	2772 KB	Output is correct
23	Correct	7 ms	2772 KB	Output is correct
24	Correct	5 ms	2772 KB	Output is correct
25	Correct	6 ms	2772 KB	Output is correct
26	Correct	6 ms	2772 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1246 ms	26968 KB	Output is correct
2	Correct	1322 ms	26976 KB	Output is correct
3	Correct	1339 ms	26976 KB	Output is correct
4	Correct	1380 ms	26976 KB	Output is correct
5	Correct	348 ms	26976 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	226 ms	26976 KB	Output is correct
2	Correct	194 ms	26976 KB	Output is correct
3	Correct	223 ms	26976 KB	Output is correct
4	Correct	71 ms	26976 KB	Output is correct
5	Correct	5 ms	26976 KB	Output is correct
6	Correct	55 ms	26976 KB	Output is correct
7	Correct	128 ms	26976 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	618 ms	26976 KB	Output is correct
2	Correct	622 ms	26976 KB	Output is correct
3	Correct	1088 ms	26976 KB	Output is correct
4	Correct	310 ms	26976 KB	Output is correct
5	Correct	198 ms	26976 KB	Output is correct
6	Correct	366 ms	26976 KB	Output is correct
7	Correct	382 ms	26976 KB	Output is correct
8	Correct	274 ms	26976 KB	Output is correct

Subtask #7
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	2424 KB	Output is correct
2	Correct	5 ms	2424 KB	Output is correct
3	Correct	5 ms	2568 KB	Output is correct
4	Correct	6 ms	2568 KB	Output is correct
5	Correct	4 ms	2568 KB	Output is correct
6	Correct	4 ms	2568 KB	Output is correct
7	Correct	4 ms	2568 KB	Output is correct
8	Correct	4 ms	2568 KB	Output is correct
9	Correct	5 ms	2644 KB	Output is correct
10	Correct	5 ms	2644 KB	Output is correct
11	Correct	4 ms	2644 KB	Output is correct
12	Correct	5 ms	2644 KB	Output is correct
13	Correct	6 ms	2644 KB	Output is correct
14	Correct	6 ms	2648 KB	Output is correct
15	Correct	4 ms	2648 KB	Output is correct
16	Correct	4 ms	2648 KB	Output is correct
17	Correct	4 ms	2648 KB	Output is correct
18	Correct	5 ms	2648 KB	Output is correct
19	Correct	6 ms	2772 KB	Output is correct
20	Correct	5 ms	2772 KB	Output is correct
21	Correct	5 ms	2772 KB	Output is correct
22	Correct	5 ms	2772 KB	Output is correct
23	Correct	7 ms	2772 KB	Output is correct
24	Correct	5 ms	2772 KB	Output is correct
25	Correct	6 ms	2772 KB	Output is correct
26	Correct	6 ms	2772 KB	Output is correct
27	Correct	1246 ms	26968 KB	Output is correct
28	Correct	1322 ms	26976 KB	Output is correct
29	Correct	1339 ms	26976 KB	Output is correct
30	Correct	1380 ms	26976 KB	Output is correct
31	Correct	348 ms	26976 KB	Output is correct
32	Correct	226 ms	26976 KB	Output is correct
33	Correct	194 ms	26976 KB	Output is correct
34	Correct	223 ms	26976 KB	Output is correct
35	Correct	71 ms	26976 KB	Output is correct
36	Correct	5 ms	26976 KB	Output is correct
37	Correct	55 ms	26976 KB	Output is correct
38	Correct	128 ms	26976 KB	Output is correct
39	Correct	618 ms	26976 KB	Output is correct
40	Correct	622 ms	26976 KB	Output is correct
41	Correct	1088 ms	26976 KB	Output is correct
42	Correct	310 ms	26976 KB	Output is correct
43	Correct	198 ms	26976 KB	Output is correct
44	Correct	366 ms	26976 KB	Output is correct
45	Correct	382 ms	26976 KB	Output is correct
46	Correct	274 ms	26976 KB	Output is correct
47	Correct	502 ms	26976 KB	Output is correct
48	Correct	450 ms	26976 KB	Output is correct
49	Correct	1262 ms	26976 KB	Output is correct
50	Correct	286 ms	26976 KB	Output is correct
51	Correct	254 ms	26976 KB	Output is correct
52	Correct	389 ms	26976 KB	Output is correct
53	Correct	395 ms	26976 KB	Output is correct
54	Correct	411 ms	26976 KB	Output is correct
55	Correct	743 ms	26976 KB	Output is correct

Submission #73468

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