답안 #1048182

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1048182	2024-08-08T04:15:34 Z	khanhtb	Global Warming (CEOI18_glo)	C++14	100 / 100	40 ms	7128 KB

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<ll,ll>
#define fi first
#define se second
const int maxN=2e5+5;
const ll inf=2e18;
int n,x,a[maxN+1],dp[maxN+1];
int main()
{
    //freopen("","r",stdin);
    //freopen("","w",stdout);
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>x;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
    }
    vector<ll> b(n+1,inf);
    b[0]=-inf;
    int mx=0;
    for(int i=1;i<=n;i++)
    {
        int k=lower_bound(b.begin(),b.end(),a[i])-b.begin();
        b[k]=a[i];
        dp[i]=k;
        mx=max(mx,k);
    }
    vector<ll> c(n+1,inf);
    c[0]=-inf;
    for(int i=n;i>=1;i--)
    {
        int k=lower_bound(c.begin(),c.end(),x-a[i])-c.begin();
        mx=max(mx,dp[i]+k);
        k=lower_bound(c.begin(),c.end(),-a[i])-c.begin();
        c[k]=-a[i];
    }
    cout<<mx-1;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	460 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	460 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	600 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	468 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	460 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	600 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	468 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	40 ms	6944 KB	Output is correct
2	Correct	34 ms	6992 KB	Output is correct
3	Correct	36 ms	7076 KB	Output is correct
4	Correct	40 ms	6936 KB	Output is correct
5	Correct	29 ms	6220 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	2136 KB	Output is correct
2	Correct	8 ms	2128 KB	Output is correct
3	Correct	8 ms	2140 KB	Output is correct
4	Correct	6 ms	1864 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	6 ms	1940 KB	Output is correct
7	Correct	7 ms	2140 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	3676 KB	Output is correct
2	Correct	16 ms	3672 KB	Output is correct
3	Correct	31 ms	7060 KB	Output is correct
4	Correct	26 ms	6236 KB	Output is correct
5	Correct	15 ms	3164 KB	Output is correct
6	Correct	21 ms	5980 KB	Output is correct
7	Correct	24 ms	6620 KB	Output is correct
8	Correct	12 ms	3704 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	460 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	600 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	468 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	40 ms	6944 KB	Output is correct
28	Correct	34 ms	6992 KB	Output is correct
29	Correct	36 ms	7076 KB	Output is correct
30	Correct	40 ms	6936 KB	Output is correct
31	Correct	29 ms	6220 KB	Output is correct
32	Correct	9 ms	2136 KB	Output is correct
33	Correct	8 ms	2128 KB	Output is correct
34	Correct	8 ms	2140 KB	Output is correct
35	Correct	6 ms	1864 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	6 ms	1940 KB	Output is correct
38	Correct	7 ms	2140 KB	Output is correct
39	Correct	17 ms	3676 KB	Output is correct
40	Correct	16 ms	3672 KB	Output is correct
41	Correct	31 ms	7060 KB	Output is correct
42	Correct	26 ms	6236 KB	Output is correct
43	Correct	15 ms	3164 KB	Output is correct
44	Correct	21 ms	5980 KB	Output is correct
45	Correct	24 ms	6620 KB	Output is correct
46	Correct	12 ms	3704 KB	Output is correct
47	Correct	19 ms	3672 KB	Output is correct
48	Correct	16 ms	3676 KB	Output is correct
49	Correct	33 ms	7004 KB	Output is correct
50	Correct	24 ms	6232 KB	Output is correct
51	Correct	21 ms	4700 KB	Output is correct
52	Correct	25 ms	6320 KB	Output is correct
53	Correct	23 ms	6164 KB	Output is correct
54	Correct	27 ms	7004 KB	Output is correct
55	Correct	29 ms	7128 KB	Output is correct

답안 #1048182

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