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Submission #635729

# Submission time Handle Problem Language Result Execution time Memory
635729 2022-08-26T17:50:31 Z zsombor Global Warming (CEOI18_glo) C++17
100 / 100
 114 ms 4572 KB 
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;

int main()
{
    int n, x, hely, cur, ans = 0;
    cin >> n >> x;
    vector <int> v(n);
    for (int i = 0; i < n; i++) cin >> v[i];

    vector <int> suf(n);
    vector <int> dp(n + 1);

    fill(dp.begin(), dp.end(), 2e9);
    dp[0] = -2e9;
    for (int i = n - 1; i >= 0; i--) {
        hely = lower_bound(dp.begin(), dp.end(), -v[i]) - dp.begin();
        suf[i] = hely;
        dp[hely] = -v[i];
    }

    fill(dp.begin(), dp.end(), 2e9);
    dp[0] = -2e9;
    for (int i = 0; i < n; i++) {
        cur = lower_bound(dp.begin(), dp.end(), v[i] + x) - dp.begin() - 1 + suf[i];
        ans = max(ans, cur);
        hely = lower_bound(dp.begin(), dp.end(), v[i]) - dp.begin();
        suf[i] = hely;
        dp[hely] = v[i];
    }
    cout << ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 212 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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 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 110 ms 4512 KB Output is correct
2 Correct 105 ms 4512 KB Output is correct
3 Correct 104 ms 4572 KB Output is correct
4 Correct 105 ms 4524 KB Output is correct
5 Correct 69 ms 3744 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 1372 KB Output is correct
2 Correct 25 ms 1372 KB Output is correct
3 Correct 27 ms 1368 KB Output is correct
4 Correct 19 ms 1080 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 18 ms 1168 KB Output is correct
7 Correct 25 ms 1380 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 2352 KB Output is correct
2 Correct 49 ms 2436 KB Output is correct
3 Correct 98 ms 4556 KB Output is correct
4 Correct 73 ms 3744 KB Output is correct
5 Correct 36 ms 1980 KB Output is correct
6 Correct 66 ms 3632 KB Output is correct
7 Correct 84 ms 4348 KB Output is correct
8 Correct 46 ms 2444 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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 110 ms 4512 KB Output is correct
28 Correct 105 ms 4512 KB Output is correct
29 Correct 104 ms 4572 KB Output is correct
30 Correct 105 ms 4524 KB Output is correct
31 Correct 69 ms 3744 KB Output is correct
32 Correct 25 ms 1372 KB Output is correct
33 Correct 25 ms 1372 KB Output is correct
34 Correct 27 ms 1368 KB Output is correct
35 Correct 19 ms 1080 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 18 ms 1168 KB Output is correct
38 Correct 25 ms 1380 KB Output is correct
39 Correct 50 ms 2352 KB Output is correct
40 Correct 49 ms 2436 KB Output is correct
41 Correct 98 ms 4556 KB Output is correct
42 Correct 73 ms 3744 KB Output is correct
43 Correct 36 ms 1980 KB Output is correct
44 Correct 66 ms 3632 KB Output is correct
45 Correct 84 ms 4348 KB Output is correct
46 Correct 46 ms 2444 KB Output is correct
47 Correct 54 ms 2380 KB Output is correct
48 Correct 56 ms 2336 KB Output is correct
49 Correct 114 ms 4568 KB Output is correct
50 Correct 75 ms 3752 KB Output is correct
51 Correct 56 ms 2892 KB Output is correct
52 Correct 76 ms 3788 KB Output is correct
53 Correct 70 ms 3788 KB Output is correct
54 Correct 92 ms 4520 KB Output is correct
55 Correct 97 ms 4512 KB Output is correct