답안 #525471

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
525471	2022-02-11T18:30:22 Z	ammar2000	Global Warming (CEOI18_glo)	C++17	100 / 100	54 ms	8544 KB

#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define F first
#define S second
#define coy cout<<"YES\n"
#define con cout<<"NO\n"
#define co1 cout<<"-1\n"
#define sc(x) scanf("%lld",&x)
#define all(x) x.begin(),x.end()
#define fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
const int SI=3e5+7;
ll INF=8e18+7;
int dx[] = {1 , -1 , 0 , 0};
int dy[] = {0 , 0 , 1 , -1};
int MOD=1e9+7;
ll n,x,a[SI],pr[SI];
int main()
{
   fast
   cin>>n>>x;
   for (int i=0;i<n;i++)
     cin>>a[i];
   vector <ll> dp(n,INF);
   for (int i=0;i<n;i++)
   {
       ll j=lower_bound(dp.begin(),dp.end(),a[i])-dp.begin();
       dp[j]=a[i];
       pr[i]=j+1;
   }
   ll ans=0;
   vector <ll> dp2(n,INF);
   for (int i=n-1;i>=0;i--)
   {
       ll j=lower_bound(dp2.begin(),dp2.end(),-a[i]+x)-dp2.begin();
       ans=max(ans,pr[i]+j);
       j=lower_bound(dp2.begin(),dp2.end(),-a[i])-dp2.begin();
       dp2[j]=-a[i];
   }
   cout <<ans<<"\n";
   // use scanf not cin
   return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	0 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	0 ms	332 KB	Output is correct
26	Correct	0 ms	332 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	52 ms	8544 KB	Output is correct
2	Correct	54 ms	8440 KB	Output is correct
3	Correct	53 ms	8436 KB	Output is correct
4	Correct	51 ms	8388 KB	Output is correct
5	Correct	36 ms	7608 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	13 ms	2360 KB	Output is correct
2	Correct	13 ms	2380 KB	Output is correct
3	Correct	12 ms	2308 KB	Output is correct
4	Correct	12 ms	2124 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	9 ms	2168 KB	Output is correct
7	Correct	10 ms	2376 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	4352 KB	Output is correct
2	Correct	25 ms	4292 KB	Output is correct
3	Correct	48 ms	8416 KB	Output is correct
4	Correct	39 ms	7620 KB	Output is correct
5	Correct	22 ms	3916 KB	Output is correct
6	Correct	31 ms	7340 KB	Output is correct
7	Correct	37 ms	8056 KB	Output is correct
8	Correct	20 ms	4428 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	0 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	0 ms	332 KB	Output is correct
26	Correct	0 ms	332 KB	Output is correct
27	Correct	52 ms	8544 KB	Output is correct
28	Correct	54 ms	8440 KB	Output is correct
29	Correct	53 ms	8436 KB	Output is correct
30	Correct	51 ms	8388 KB	Output is correct
31	Correct	36 ms	7608 KB	Output is correct
32	Correct	13 ms	2360 KB	Output is correct
33	Correct	13 ms	2380 KB	Output is correct
34	Correct	12 ms	2308 KB	Output is correct
35	Correct	12 ms	2124 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	9 ms	2168 KB	Output is correct
38	Correct	10 ms	2376 KB	Output is correct
39	Correct	23 ms	4352 KB	Output is correct
40	Correct	25 ms	4292 KB	Output is correct
41	Correct	48 ms	8416 KB	Output is correct
42	Correct	39 ms	7620 KB	Output is correct
43	Correct	22 ms	3916 KB	Output is correct
44	Correct	31 ms	7340 KB	Output is correct
45	Correct	37 ms	8056 KB	Output is correct
46	Correct	20 ms	4428 KB	Output is correct
47	Correct	26 ms	4292 KB	Output is correct
48	Correct	26 ms	4300 KB	Output is correct
49	Correct	51 ms	8480 KB	Output is correct
50	Correct	37 ms	7620 KB	Output is correct
51	Correct	31 ms	5840 KB	Output is correct
52	Correct	38 ms	7780 KB	Output is correct
53	Correct	31 ms	7736 KB	Output is correct
54	Correct	38 ms	8476 KB	Output is correct
55	Correct	44 ms	8528 KB	Output is correct

답안 #525471

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