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Submission #584062

# Submission time Handle Problem Language Result Execution time Memory
584062 2022-06-26T18:12:42 Z Kanaifu Global Warming (CEOI18_glo) C++17
100 / 100
 53 ms 4308 KB 
#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define fr first
#define sc second

int arr[200001];
int n, x;
vector <int> sup;
int dp[200001];

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cin>>n>>x;

    for (int i=0; i<n; i++)
    {
        cin>>arr[i];
    }
    for (int i=0; i<n; i++)
    {
        auto it = lower_bound(sup.begin(), sup.end(), arr[i]);
        if (it == sup.end())
        {
            sup.pb(arr[i]);
            dp[i] = sup.size();
            continue;
        }
        int pos = it - sup.begin();
        dp[i] = pos + 1;
        sup[pos] = arr[i];
    }
    sup.clear();
    int mx = 0;
    for (int i=n-1; i>=0; i--)
    {
        auto it = lower_bound(sup.begin(), sup.end(), -(arr[i]-x));

        int val = (it-sup.begin());
        val += dp[i];

        mx = max(val, mx);

        it = lower_bound(sup.begin(), sup.end(), -(arr[i]));

        if (it == sup.end())
        {
            sup.pb(-arr[i]);
            continue;
        }
        int pos = it - sup.begin();
        sup[pos] = -arr[i];
    }
    cout<<mx;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 336 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 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

# Verdict Execution time Memory Grader output
1 Correct 50 ms 3764 KB Output is correct
2 Correct 53 ms 3812 KB Output is correct
3 Correct 50 ms 3788 KB Output is correct
4 Correct 51 ms 3800 KB Output is correct
5 Correct 26 ms 3488 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1168 KB Output is correct
2 Correct 11 ms 1108 KB Output is correct
3 Correct 12 ms 1108 KB Output is correct
4 Correct 7 ms 1208 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 8 ms 1140 KB Output is correct
7 Correct 11 ms 1108 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2024 KB Output is correct
2 Correct 21 ms 2000 KB Output is correct
3 Correct 41 ms 3684 KB Output is correct
4 Correct 28 ms 3544 KB Output is correct
5 Correct 15 ms 2032 KB Output is correct
6 Correct 22 ms 3404 KB Output is correct
7 Correct 30 ms 4104 KB Output is correct
8 Correct 19 ms 2020 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 50 ms 3764 KB Output is correct
28 Correct 53 ms 3812 KB Output is correct
29 Correct 50 ms 3788 KB Output is correct
30 Correct 51 ms 3800 KB Output is correct
31 Correct 26 ms 3488 KB Output is correct
32 Correct 11 ms 1168 KB Output is correct
33 Correct 11 ms 1108 KB Output is correct
34 Correct 12 ms 1108 KB Output is correct
35 Correct 7 ms 1208 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 8 ms 1140 KB Output is correct
38 Correct 11 ms 1108 KB Output is correct
39 Correct 21 ms 2024 KB Output is correct
40 Correct 21 ms 2000 KB Output is correct
41 Correct 41 ms 3684 KB Output is correct
42 Correct 28 ms 3544 KB Output is correct
43 Correct 15 ms 2032 KB Output is correct
44 Correct 22 ms 3404 KB Output is correct
45 Correct 30 ms 4104 KB Output is correct
46 Correct 19 ms 2020 KB Output is correct
47 Correct 22 ms 2020 KB Output is correct
48 Correct 23 ms 1976 KB Output is correct
49 Correct 45 ms 3788 KB Output is correct
50 Correct 30 ms 3536 KB Output is correct
51 Correct 23 ms 2900 KB Output is correct
52 Correct 28 ms 3660 KB Output is correct
53 Correct 23 ms 3612 KB Output is correct
54 Correct 30 ms 4308 KB Output is correct
55 Correct 39 ms 3712 KB Output is correct