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Submission #968822

# Submission time Handle Problem Language Result Execution time Memory
968822 2024-04-24T06:54:26 Z vjudge1 Global Warming (CEOI18_glo) C++17
100 / 100
 46 ms 5472 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

const int MxN = 200020;
int lis[MxN], lds[MxN], lds_size[MxN], lis_size[MxN], a[MxN];

signed main(int argc, char *argv[]) {
	cin.tie(nullptr)->ios::sync_with_stdio(false);	
	int n, x;
	cin >> n >> x;
	for(int i=1; i<=n; ++i){
		cin >> a[i];
	}
	int sz = 0;
	for(int i=n; i>=1; --i){
		int idx = lower_bound(lds, lds + sz, -a[i]) - lds;
		if(idx == sz){
			sz++;
		}
		lds[idx] = -a[i];
		lds_size[i] = idx + 1;
	}
	sz = 0;
	int res = 0;
	for(int i=1; i<=n; ++i){
		int idx = lower_bound(lis, lis + sz, a[i] + x) - lis;
		res = max(res, lds_size[i] + idx);
		idx = lower_bound(lis, lis + sz, a[i]) - lis;
		if(idx == sz){
			sz++;
		}
		lis[idx] = a[i];
		lis_size[i] = sz;
	}
	cout << max(res, lis_size[n]) << "\n";
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2404 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2404 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2404 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2392 KB Output is correct
25 Correct 1 ms 2392 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 3052 KB Output is correct
2 Correct 45 ms 2648 KB Output is correct
3 Correct 46 ms 2816 KB Output is correct
4 Correct 45 ms 2652 KB Output is correct
5 Correct 22 ms 3420 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 2652 KB Output is correct
2 Correct 11 ms 2648 KB Output is correct
3 Correct 11 ms 2652 KB Output is correct
4 Correct 6 ms 2652 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 6 ms 3164 KB Output is correct
7 Correct 9 ms 3164 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 2652 KB Output is correct
2 Correct 19 ms 3420 KB Output is correct
3 Correct 38 ms 4944 KB Output is correct
4 Correct 22 ms 4688 KB Output is correct
5 Correct 11 ms 3416 KB Output is correct
6 Correct 20 ms 4472 KB Output is correct
7 Correct 22 ms 5272 KB Output is correct
8 Correct 16 ms 3548 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2404 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2392 KB Output is correct
25 Correct 1 ms 2392 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 44 ms 3052 KB Output is correct
28 Correct 45 ms 2648 KB Output is correct
29 Correct 46 ms 2816 KB Output is correct
30 Correct 45 ms 2652 KB Output is correct
31 Correct 22 ms 3420 KB Output is correct
32 Correct 12 ms 2652 KB Output is correct
33 Correct 11 ms 2648 KB Output is correct
34 Correct 11 ms 2652 KB Output is correct
35 Correct 6 ms 2652 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 6 ms 3164 KB Output is correct
38 Correct 9 ms 3164 KB Output is correct
39 Correct 19 ms 2652 KB Output is correct
40 Correct 19 ms 3420 KB Output is correct
41 Correct 38 ms 4944 KB Output is correct
42 Correct 22 ms 4688 KB Output is correct
43 Correct 11 ms 3416 KB Output is correct
44 Correct 20 ms 4472 KB Output is correct
45 Correct 22 ms 5272 KB Output is correct
46 Correct 16 ms 3548 KB Output is correct
47 Correct 22 ms 3660 KB Output is correct
48 Correct 22 ms 3676 KB Output is correct
49 Correct 45 ms 4576 KB Output is correct
50 Correct 28 ms 4876 KB Output is correct
51 Correct 20 ms 4312 KB Output is correct
52 Correct 23 ms 4700 KB Output is correct
53 Correct 22 ms 4652 KB Output is correct
54 Correct 23 ms 5472 KB Output is correct
55 Correct 36 ms 4692 KB Output is correct