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Submission #663334

# Submission time Handle Problem Language Result Execution time Memory
663334 2022-11-26T18:28:37 Z finn__ Global Warming (CEOI18_glo) C++17
100 / 100
 49 ms 6488 KB 
#include <bits/stdc++.h>
using namespace std;

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

    size_t n;
    int64_t x;
    cin >> n >> x;

    vector<int64_t> t(n);
    for (int64_t &y : t)
        cin >> y;

    reverse(t.begin(), t.end());
    vector<int64_t> dp;
    vector<size_t> lis_after(n);

    for (size_t i = 0; i < n; i++)
    {
        auto it = lower_bound(dp.begin(), dp.end(), t[i], greater<int64_t>());
        lis_after[n - 1 - i] = it - dp.begin() + 1;
        if (it == dp.end())
            dp.push_back(t[i]);
        else
            *it = t[i];
    }

    reverse(t.begin(), t.end());
    dp.clear();
    size_t max_lis = 0;

    for (size_t i = 0; i < n; i++)
    {
        auto it = lower_bound(dp.begin(), dp.end(), t[i] + x);
        max_lis = max(max_lis, it - dp.begin() + lis_after[i]);

        it = lower_bound(dp.begin(), dp.end(), t[i]);

        if (it == dp.end())
            dp.push_back(t[i]);
        else
            *it = t[i];
    }

    cout << max_lis << '\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 340 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 0 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 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 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 340 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 0 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 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 316 KB Output is correct
17 Correct 1 ms 212 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 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 340 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 0 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 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 316 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 328 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 340 KB Output is correct
24 Correct 1 ms 320 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 324 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 5328 KB Output is correct
2 Correct 48 ms 5332 KB Output is correct
3 Correct 49 ms 5388 KB Output is correct
4 Correct 48 ms 5392 KB Output is correct
5 Correct 29 ms 5748 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1492 KB Output is correct
2 Correct 12 ms 1492 KB Output is correct
3 Correct 12 ms 1492 KB Output is correct
4 Correct 7 ms 1748 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 7 ms 1748 KB Output is correct
7 Correct 9 ms 1612 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2760 KB Output is correct
2 Correct 21 ms 2764 KB Output is correct
3 Correct 45 ms 5392 KB Output is correct
4 Correct 28 ms 5720 KB Output is correct
5 Correct 13 ms 3032 KB Output is correct
6 Correct 24 ms 5584 KB Output is correct
7 Correct 26 ms 6280 KB Output is correct
8 Correct 21 ms 2904 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 0 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 340 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 0 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 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 316 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 328 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 340 KB Output is correct
24 Correct 1 ms 320 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 324 KB Output is correct
27 Correct 48 ms 5328 KB Output is correct
28 Correct 48 ms 5332 KB Output is correct
29 Correct 49 ms 5388 KB Output is correct
30 Correct 48 ms 5392 KB Output is correct
31 Correct 29 ms 5748 KB Output is correct
32 Correct 11 ms 1492 KB Output is correct
33 Correct 12 ms 1492 KB Output is correct
34 Correct 12 ms 1492 KB Output is correct
35 Correct 7 ms 1748 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 7 ms 1748 KB Output is correct
38 Correct 9 ms 1612 KB Output is correct
39 Correct 21 ms 2760 KB Output is correct
40 Correct 21 ms 2764 KB Output is correct
41 Correct 45 ms 5392 KB Output is correct
42 Correct 28 ms 5720 KB Output is correct
43 Correct 13 ms 3032 KB Output is correct
44 Correct 24 ms 5584 KB Output is correct
45 Correct 26 ms 6280 KB Output is correct
46 Correct 21 ms 2904 KB Output is correct
47 Correct 23 ms 2764 KB Output is correct
48 Correct 23 ms 2900 KB Output is correct
49 Correct 49 ms 5452 KB Output is correct
50 Correct 26 ms 5716 KB Output is correct
51 Correct 23 ms 4696 KB Output is correct
52 Correct 28 ms 5832 KB Output is correct
53 Correct 25 ms 5844 KB Output is correct
54 Correct 28 ms 6488 KB Output is correct
55 Correct 38 ms 5320 KB Output is correct