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Submission #740935

# Submission time Handle Problem Language Result Execution time Memory
740935 2023-05-13T10:01:38 Z rnl42 Global Warming (CEOI18_glo) C++14
100 / 100
 60 ms 4620 KB 
#include <bits/stdc++.h>
using namespace std;

constexpr int INF = 2e9;

int N, X;
vector<int> T;

int main() {
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    cin >> N >> X;
    T.resize(N);
    for (int i = 0; i < N; i++) {
        cin >> T[i];
    }
    int ans = 0;
    vector<int> d(N, INF);
    vector<int> m(N);
    d[0] = -INF;
    for (int i = 0; i < N; i++) {
        auto it = lower_bound(d.begin(), d.end(), T[i]+X);
        m[i] = it - d.begin();
        it = lower_bound(d.begin(), d.end(), T[i]);
        *it = min(*it, T[i]);
    }
    fill(d.begin()+1, d.end(), INF);
    for (int i = N-1; i >= 0; i--) {
        auto it = lower_bound(d.begin(), d.end(), -T[i]);
        m[i] += it - d.begin() - 1;
        ans = max(ans, m[i]);
        *it = min(*it, -T[i]);
    }
    cout << ans << '\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 320 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 320 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 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 324 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 4560 KB Output is correct
2 Correct 52 ms 4556 KB Output is correct
3 Correct 51 ms 4556 KB Output is correct
4 Correct 60 ms 4592 KB Output is correct
5 Correct 43 ms 3784 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 1364 KB Output is correct
2 Correct 14 ms 1404 KB Output is correct
3 Correct 13 ms 1364 KB Output is correct
4 Correct 10 ms 1152 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 11 ms 1108 KB Output is correct
7 Correct 10 ms 1364 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 2388 KB Output is correct
2 Correct 25 ms 2388 KB Output is correct
3 Correct 51 ms 4552 KB Output is correct
4 Correct 43 ms 3832 KB Output is correct
5 Correct 18 ms 2004 KB Output is correct
6 Correct 30 ms 3756 KB Output is correct
7 Correct 37 ms 4404 KB Output is correct
8 Correct 19 ms 2380 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 320 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 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 324 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 60 ms 4560 KB Output is correct
28 Correct 52 ms 4556 KB Output is correct
29 Correct 51 ms 4556 KB Output is correct
30 Correct 60 ms 4592 KB Output is correct
31 Correct 43 ms 3784 KB Output is correct
32 Correct 13 ms 1364 KB Output is correct
33 Correct 14 ms 1404 KB Output is correct
34 Correct 13 ms 1364 KB Output is correct
35 Correct 10 ms 1152 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 11 ms 1108 KB Output is correct
38 Correct 10 ms 1364 KB Output is correct
39 Correct 24 ms 2388 KB Output is correct
40 Correct 25 ms 2388 KB Output is correct
41 Correct 51 ms 4552 KB Output is correct
42 Correct 43 ms 3832 KB Output is correct
43 Correct 18 ms 2004 KB Output is correct
44 Correct 30 ms 3756 KB Output is correct
45 Correct 37 ms 4404 KB Output is correct
46 Correct 19 ms 2380 KB Output is correct
47 Correct 27 ms 2364 KB Output is correct
48 Correct 30 ms 2388 KB Output is correct
49 Correct 55 ms 4592 KB Output is correct
50 Correct 40 ms 3832 KB Output is correct
51 Correct 30 ms 2944 KB Output is correct
52 Correct 39 ms 3916 KB Output is correct
53 Correct 31 ms 3912 KB Output is correct
54 Correct 38 ms 4620 KB Output is correct
55 Correct 48 ms 4564 KB Output is correct