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Submission #99622

# Submission time Handle Problem Language Result Execution time Memory
99622 2019-03-05T18:29:39 Z Anai Global Warming (CEOI18_glo) C++14
100 / 100
 73 ms 4724 KB 
#include <bits/stdc++.h>
using namespace std;

using i64 = long long;

const int N = 2e5 + 5;

i64 v[N];
int dr[N];

vector<i64> stk;
i64 k;
int ant, n;


int main() {
#ifdef HOME
	freopen("glo.in", "r", stdin);
	freopen("glo.out", "w", stdout);
#endif
	ios::sync_with_stdio(false);
	cin.tie(0), cout.tie(0);

	cin >> n >> k;
	for (int i = 1; i <= n; ++i)
		cin >> v[i];

	if (n == 1) {
		cout << "1\n";
		return 0; }

	for (int i = n; i >= 1; --i) {
		auto it = lower_bound(begin(stk), end(stk), -v[i]);
		dr[i] = it - begin(stk) + 1;
		if (it == end(stk))
			stk.push_back(-v[i]);
		else
			*it = -v[i]; }

	stk.clear();
	for (int i = 1; i < n; ++i) {
		auto it = lower_bound(begin(stk), end(stk), v[i]);
		dr[i] = it - begin(stk) + 1;
		if (it == end(stk))
			stk.push_back(v[i]);
		else
			*it = v[i];

		it = lower_bound(begin(stk), end(stk), v[i + 1] + k);
		ant = max(ant, dr[i + 1] + int(it - begin(stk))); }

	cout << ant << endl;

	return 0; }

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 3 ms 356 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 2704 KB Output is correct
2 Correct 73 ms 3704 KB Output is correct
3 Correct 60 ms 3704 KB Output is correct
4 Correct 59 ms 3832 KB Output is correct
5 Correct 37 ms 4596 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 896 KB Output is correct
2 Correct 15 ms 1408 KB Output is correct
3 Correct 15 ms 1356 KB Output is correct
4 Correct 10 ms 1536 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 15 ms 1664 KB Output is correct
7 Correct 14 ms 1504 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 1536 KB Output is correct
2 Correct 28 ms 2432 KB Output is correct
3 Correct 64 ms 3704 KB Output is correct
4 Correct 36 ms 4564 KB Output is correct
5 Correct 20 ms 2560 KB Output is correct
6 Correct 50 ms 4596 KB Output is correct
7 Correct 38 ms 4464 KB Output is correct
8 Correct 24 ms 2560 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 3 ms 356 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 62 ms 2704 KB Output is correct
28 Correct 73 ms 3704 KB Output is correct
29 Correct 60 ms 3704 KB Output is correct
30 Correct 59 ms 3832 KB Output is correct
31 Correct 37 ms 4596 KB Output is correct
32 Correct 15 ms 896 KB Output is correct
33 Correct 15 ms 1408 KB Output is correct
34 Correct 15 ms 1356 KB Output is correct
35 Correct 10 ms 1536 KB Output is correct
36 Correct 2 ms 384 KB Output is correct
37 Correct 15 ms 1664 KB Output is correct
38 Correct 14 ms 1504 KB Output is correct
39 Correct 26 ms 1536 KB Output is correct
40 Correct 28 ms 2432 KB Output is correct
41 Correct 64 ms 3704 KB Output is correct
42 Correct 36 ms 4564 KB Output is correct
43 Correct 20 ms 2560 KB Output is correct
44 Correct 50 ms 4596 KB Output is correct
45 Correct 38 ms 4464 KB Output is correct
46 Correct 24 ms 2560 KB Output is correct
47 Correct 29 ms 2432 KB Output is correct
48 Correct 37 ms 2484 KB Output is correct
49 Correct 60 ms 3628 KB Output is correct
50 Correct 33 ms 4576 KB Output is correct
51 Correct 38 ms 3828 KB Output is correct
52 Correct 39 ms 4648 KB Output is correct
53 Correct 36 ms 4724 KB Output is correct
54 Correct 37 ms 4592 KB Output is correct
55 Correct 47 ms 3704 KB Output is correct