답안 #656439

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
656439	2022-11-07T13:27:01 Z	ono_de206	Global Warming (CEOI18_glo)	C++14	100 / 100	120 ms	6248 KB

#include<bits/stdc++.h>
using namespace std;
 
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second

typedef long long ll;
 
#define int long long

template<typename T>
void mxx(T &a, T b){if(b>a) a=b;}
template<typename T>
void mnn(T &a, T b){if(b<a) a=b;}

const int mxn=2e5+10;
const int inf=1e18+10;

int pre[mxn];

int a[mxn];

signed main(){
	int n,x;
	cin>>n>>x;
	for(int i=1; i<=n; i++){
		cin>>a[i];
	}
	vector<int> g;
	int ans=0;
	for(int i=1; i<=n; i++){
		int gg=lower_bound(all(g),a[i])-g.begin();
		if(gg==g.size()) g.pb(a[i]);
		else g[gg]=a[i];
		pre[i]=gg+1;
	}
	g.clear();
	for(int i=n; i>=1; i--){
		int gg=lower_bound(all(g),-(a[i]-x))-g.begin();
		mxx(ans,pre[i]+gg);
		gg=lower_bound(all(g),-a[i])-g.begin();
		if(gg==g.size()) g.pb(-a[i]);
		else g[gg]=-a[i];
	}
	cout<<ans<<'\n';
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:38:8: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |   if(gg==g.size()) g.pb(a[i]);
      |      ~~^~~~~~~~~~
glo.cpp:47:8: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |   if(gg==g.size()) g.pb(-a[i]);
      |      ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	120 ms	3308 KB	Output is correct
2	Correct	112 ms	3428 KB	Output is correct
3	Correct	105 ms	3420 KB	Output is correct
4	Correct	98 ms	3416 KB	Output is correct
5	Correct	60 ms	4244 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	1068 KB	Output is correct
2	Correct	24 ms	1016 KB	Output is correct
3	Correct	24 ms	996 KB	Output is correct
4	Correct	15 ms	1364 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	16 ms	1360 KB	Output is correct
7	Correct	23 ms	1100 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	52 ms	1860 KB	Output is correct
2	Correct	70 ms	1780 KB	Output is correct
3	Correct	95 ms	3404 KB	Output is correct
4	Correct	64 ms	4284 KB	Output is correct
5	Correct	30 ms	2324 KB	Output is correct
6	Correct	57 ms	4132 KB	Output is correct
7	Correct	115 ms	4164 KB	Output is correct
8	Correct	61 ms	1860 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	120 ms	3308 KB	Output is correct
28	Correct	112 ms	3428 KB	Output is correct
29	Correct	105 ms	3420 KB	Output is correct
30	Correct	98 ms	3416 KB	Output is correct
31	Correct	60 ms	4244 KB	Output is correct
32	Correct	25 ms	1068 KB	Output is correct
33	Correct	24 ms	1016 KB	Output is correct
34	Correct	24 ms	996 KB	Output is correct
35	Correct	15 ms	1364 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	16 ms	1360 KB	Output is correct
38	Correct	23 ms	1100 KB	Output is correct
39	Correct	52 ms	1860 KB	Output is correct
40	Correct	70 ms	1780 KB	Output is correct
41	Correct	95 ms	3404 KB	Output is correct
42	Correct	64 ms	4284 KB	Output is correct
43	Correct	30 ms	2324 KB	Output is correct
44	Correct	57 ms	4132 KB	Output is correct
45	Correct	115 ms	4164 KB	Output is correct
46	Correct	61 ms	1860 KB	Output is correct
47	Correct	66 ms	2720 KB	Output is correct
48	Correct	51 ms	2780 KB	Output is correct
49	Correct	101 ms	5284 KB	Output is correct
50	Correct	66 ms	5500 KB	Output is correct
51	Correct	49 ms	4292 KB	Output is correct
52	Correct	65 ms	5500 KB	Output is correct
53	Correct	63 ms	5580 KB	Output is correct
54	Correct	84 ms	6248 KB	Output is correct
55	Correct	90 ms	5360 KB	Output is correct

답안 #656439

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