Submission #515726

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
515726	2022-01-19T14:42:34 Z	andrei_boaca	Global Warming (CEOI18_glo)	C++17	38 / 100	2000 ms	4996 KB

glo

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
ll n,x,v[200005],ans,dp[200005],maxim[200005];
ll getLIS()
{
    ll rez=0;
    for(int i=1;i<=n;i++)
        maxim[i]=-2e9;
    for(int i=n;i>=1;i--)
    {
        int lg=0;
        int st=1;
        int dr=n-i;
        while(st<=dr)
        {
            int mij=(st+dr)/2;
            if(maxim[mij]>v[i])
            {
                lg=mij;
                st=mij+1;
            }
            else
                dr=mij-1;
        }
        dp[i]=lg+1;
        rez=max(rez,dp[i]);
        maxim[dp[i]]=max(maxim[dp[i]],v[i]);
    }
    return rez;
}
int main()
{
    cin>>n>>x;
    for(int i=1;i<=n;i++)
        cin>>v[i];
    ans=getLIS();
    if(x==0)
    {
        cout<<ans;
        return 0;
    }
    for(int i=1;i<=n;i++)
    {
        v[i]-=x;
        ans=max(ans,getLIS());
    }
    cout<<ans;
    return 0;
}

Subtask #1

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 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

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 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	25 ms	204 KB	Output is correct
20	Correct	22 ms	204 KB	Output is correct
21	Correct	22 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	11 ms	328 KB	Output is correct
24	Correct	14 ms	332 KB	Output is correct
25	Correct	10 ms	328 KB	Output is correct
26	Correct	10 ms	332 KB	Output is correct

Subtask #4

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	91 ms	4996 KB	Output is correct
2	Correct	82 ms	4912 KB	Output is correct
3	Correct	81 ms	4968 KB	Output is correct
4	Correct	85 ms	4924 KB	Output is correct
5	Correct	53 ms	4864 KB	Output is correct

Subtask #5

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	2089 ms	1424 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #6

0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	2027 ms	2628 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #7

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 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	25 ms	204 KB	Output is correct
20	Correct	22 ms	204 KB	Output is correct
21	Correct	22 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	11 ms	328 KB	Output is correct
24	Correct	14 ms	332 KB	Output is correct
25	Correct	10 ms	328 KB	Output is correct
26	Correct	10 ms	332 KB	Output is correct
27	Correct	91 ms	4996 KB	Output is correct
28	Correct	82 ms	4912 KB	Output is correct
29	Correct	81 ms	4968 KB	Output is correct
30	Correct	85 ms	4924 KB	Output is correct
31	Correct	53 ms	4864 KB	Output is correct
32	Execution timed out	2089 ms	1424 KB	Time limit exceeded
33	Halted	0 ms	0 KB	-