Submission #1038634

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1038634	2024-07-30T04:07:01 Z	DucNguyen2007	Global Warming (CEOI18_glo)	C++14	100 / 100	42 ms	7056 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

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
7	Correct	0 ms	460 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
7	Correct	0 ms	460 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 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

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
7	Correct	0 ms	460 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	604 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	40 ms	7004 KB	Output is correct
2	Correct	40 ms	7056 KB	Output is correct
3	Correct	40 ms	6876 KB	Output is correct
4	Correct	42 ms	7000 KB	Output is correct
5	Correct	29 ms	6232 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	1884 KB	Output is correct
2	Correct	10 ms	1876 KB	Output is correct
3	Correct	10 ms	2140 KB	Output is correct
4	Correct	7 ms	1884 KB	Output is correct
5	Correct	0 ms	464 KB	Output is correct
6	Correct	7 ms	1884 KB	Output is correct
7	Correct	8 ms	2140 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	20 ms	3676 KB	Output is correct
2	Correct	18 ms	3672 KB	Output is correct
3	Correct	37 ms	6844 KB	Output is correct
4	Correct	30 ms	6220 KB	Output is correct
5	Correct	16 ms	3416 KB	Output is correct
6	Correct	27 ms	6140 KB	Output is correct
7	Correct	28 ms	6748 KB	Output is correct
8	Correct	15 ms	3676 KB	Output is correct

Subtask #7
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
7	Correct	0 ms	460 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	604 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	40 ms	7004 KB	Output is correct
28	Correct	40 ms	7056 KB	Output is correct
29	Correct	40 ms	6876 KB	Output is correct
30	Correct	42 ms	7000 KB	Output is correct
31	Correct	29 ms	6232 KB	Output is correct
32	Correct	10 ms	1884 KB	Output is correct
33	Correct	10 ms	1876 KB	Output is correct
34	Correct	10 ms	2140 KB	Output is correct
35	Correct	7 ms	1884 KB	Output is correct
36	Correct	0 ms	464 KB	Output is correct
37	Correct	7 ms	1884 KB	Output is correct
38	Correct	8 ms	2140 KB	Output is correct
39	Correct	20 ms	3676 KB	Output is correct
40	Correct	18 ms	3672 KB	Output is correct
41	Correct	37 ms	6844 KB	Output is correct
42	Correct	30 ms	6220 KB	Output is correct
43	Correct	16 ms	3416 KB	Output is correct
44	Correct	27 ms	6140 KB	Output is correct
45	Correct	28 ms	6748 KB	Output is correct
46	Correct	15 ms	3676 KB	Output is correct
47	Correct	20 ms	3672 KB	Output is correct
48	Correct	19 ms	3676 KB	Output is correct
49	Correct	40 ms	6992 KB	Output is correct
50	Correct	28 ms	6268 KB	Output is correct
51	Correct	24 ms	4696 KB	Output is correct
52	Correct	30 ms	6328 KB	Output is correct
53	Correct	27 ms	6284 KB	Output is correct
54	Correct	30 ms	7004 KB	Output is correct
55	Correct	33 ms	6996 KB	Output is correct

Submission #1038634

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