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Submission #161220

# Submission time Handle Problem Language Result Execution time Memory
161220 2019-11-01T12:45:09 Z rama_pang Global Warming (CEOI18_glo) C++14
100 / 100
 86 ms 7032 KB 
#include <bits/stdc++.h>
using namespace std;
using lint = long long;
const lint INF = 1e15;

lint N, X;
lint A[200005];
lint lis[200005];
lint lds[200005];
lint anslis[200005];

lint LIS() {
    lint res = 0;

    for (int i = 0; i <= N; i++) lis[i] = INF, lds[i] = -INF;
    lis[0] = -INF, lds[N] = INF;

    for (lint i = 0; i < N; i++) {
        lint j = lower_bound(lis, lis + N + 1, A[i]) - lis;
        lis[j] = A[i], res = max(res, j);
        anslis[i] = j;
    }

    for (lint i = N - 1; i >= 0; i--) {
        lint j = upper_bound(lds, lds + N + 1, A[i] - X) - lds;
        res = max(res, anslis[i] + N - j);

        j = upper_bound(lds, lds + N + 1, A[i]) - lds - 1;
        lds[j] = A[i];
    }

    return res;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    cin >> N >> X;
    for (int i = 0; i < N; i++) cin >> A[i];

    lint ans = LIS();
    cout << ans << "\n"; 
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 1 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 1 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 380 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 6700 KB Output is correct
2 Correct 82 ms 6748 KB Output is correct
3 Correct 83 ms 6776 KB Output is correct
4 Correct 82 ms 6776 KB Output is correct
5 Correct 74 ms 6852 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 2040 KB Output is correct
2 Correct 20 ms 2048 KB Output is correct
3 Correct 20 ms 2040 KB Output is correct
4 Correct 16 ms 2040 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 17 ms 2044 KB Output is correct
7 Correct 18 ms 2040 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 3712 KB Output is correct
2 Correct 37 ms 3704 KB Output is correct
3 Correct 73 ms 6752 KB Output is correct
4 Correct 63 ms 6776 KB Output is correct
5 Correct 32 ms 3576 KB Output is correct
6 Correct 54 ms 6420 KB Output is correct
7 Correct 60 ms 6392 KB Output is correct
8 Correct 33 ms 3576 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 1 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 380 KB Output is correct
27 Correct 83 ms 6700 KB Output is correct
28 Correct 82 ms 6748 KB Output is correct
29 Correct 83 ms 6776 KB Output is correct
30 Correct 82 ms 6776 KB Output is correct
31 Correct 74 ms 6852 KB Output is correct
32 Correct 20 ms 2040 KB Output is correct
33 Correct 20 ms 2048 KB Output is correct
34 Correct 20 ms 2040 KB Output is correct
35 Correct 16 ms 2040 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 17 ms 2044 KB Output is correct
38 Correct 18 ms 2040 KB Output is correct
39 Correct 39 ms 3712 KB Output is correct
40 Correct 37 ms 3704 KB Output is correct
41 Correct 73 ms 6752 KB Output is correct
42 Correct 63 ms 6776 KB Output is correct
43 Correct 32 ms 3576 KB Output is correct
44 Correct 54 ms 6420 KB Output is correct
45 Correct 60 ms 6392 KB Output is correct
46 Correct 33 ms 3576 KB Output is correct
47 Correct 41 ms 3704 KB Output is correct
48 Correct 42 ms 3788 KB Output is correct
49 Correct 86 ms 6900 KB Output is correct
50 Correct 61 ms 7032 KB Output is correct
51 Correct 48 ms 5340 KB Output is correct
52 Correct 64 ms 7028 KB Output is correct
53 Correct 59 ms 6904 KB Output is correct
54 Correct 64 ms 6848 KB Output is correct
55 Correct 71 ms 7032 KB Output is correct