답안 #1083450

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1083450	2024-09-03T08:24:25 Z	juicy	Global Warming (CEOI18_glo)	C++17	100 / 100	89 ms	5636 KB

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

const int N = 2e5 + 5;

int n, x;
int a[N], ft[2][N];

int qry(int i, int *s) {
  int res = 0;
  for (; i; i -= i & -i) {
    res = max(res, s[i]);
  }
  return res;
}

void upd(int i, int x, int *s) {
  for (; i < N; i += i & -i) {
    s[i] = max(s[i], x);
  }
} 

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

  cin >> n >> x;
  vector<int> comp;
  for (int i = 1; i <= n; ++i) {
    cin >> a[i];
    comp.push_back(a[i]);
  }
  sort(comp.begin(), comp.end());
  comp.erase(unique(comp.begin(), comp.end()), comp.end());
  auto id = [&](int x) {
    return lower_bound(comp.begin(), comp.end(), x) - comp.begin() + 1;
  };
  int res = 0;
  for (int i = 1; i <= n; ++i) {
    array<int, 2> dp{};
    int p = id(a[i]);
    dp[0] = qry(p - 1, ft[0]) + 1;
    dp[1] = max(qry(p - 1, ft[1]), qry(id(a[i] + x) - 1, ft[0])) + 1;
    upd(p, dp[0], ft[0]);
    upd(p, dp[1], ft[1]);
    res = max(res, dp[1]);
  } 
  cout << res;
  return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	488 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	488 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	488 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	87 ms	5636 KB	Output is correct
2	Correct	85 ms	5580 KB	Output is correct
3	Correct	84 ms	5588 KB	Output is correct
4	Correct	89 ms	5448 KB	Output is correct
5	Correct	34 ms	4072 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	1756 KB	Output is correct
2	Correct	19 ms	1760 KB	Output is correct
3	Correct	19 ms	1756 KB	Output is correct
4	Correct	10 ms	1428 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	9 ms	1472 KB	Output is correct
7	Correct	20 ms	1752 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	32 ms	3036 KB	Output is correct
2	Correct	34 ms	3032 KB	Output is correct
3	Correct	69 ms	5632 KB	Output is correct
4	Correct	38 ms	3980 KB	Output is correct
5	Correct	18 ms	2524 KB	Output is correct
6	Correct	35 ms	4556 KB	Output is correct
7	Correct	38 ms	5400 KB	Output is correct
8	Correct	28 ms	3036 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	488 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	87 ms	5636 KB	Output is correct
28	Correct	85 ms	5580 KB	Output is correct
29	Correct	84 ms	5588 KB	Output is correct
30	Correct	89 ms	5448 KB	Output is correct
31	Correct	34 ms	4072 KB	Output is correct
32	Correct	21 ms	1756 KB	Output is correct
33	Correct	19 ms	1760 KB	Output is correct
34	Correct	19 ms	1756 KB	Output is correct
35	Correct	10 ms	1428 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	9 ms	1472 KB	Output is correct
38	Correct	20 ms	1752 KB	Output is correct
39	Correct	32 ms	3036 KB	Output is correct
40	Correct	34 ms	3032 KB	Output is correct
41	Correct	69 ms	5632 KB	Output is correct
42	Correct	38 ms	3980 KB	Output is correct
43	Correct	18 ms	2524 KB	Output is correct
44	Correct	35 ms	4556 KB	Output is correct
45	Correct	38 ms	5400 KB	Output is correct
46	Correct	28 ms	3036 KB	Output is correct
47	Correct	38 ms	3032 KB	Output is correct
48	Correct	45 ms	3024 KB	Output is correct
49	Correct	87 ms	5580 KB	Output is correct
50	Correct	38 ms	4048 KB	Output is correct
51	Correct	32 ms	3280 KB	Output is correct
52	Correct	48 ms	4968 KB	Output is correct
53	Correct	36 ms	4812 KB	Output is correct
54	Correct	43 ms	5584 KB	Output is correct
55	Correct	69 ms	5580 KB	Output is correct

답안 #1083450

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 13.0 / 13.0

Subtask #4 10.0 / 10.0

Subtask #5 20.0 / 20.0

Subtask #6 17.0 / 17.0

Subtask #7 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
13.0 / 13.0

Subtask #4
10.0 / 10.0

Subtask #5
20.0 / 20.0

Subtask #6
17.0 / 17.0

Subtask #7
25.0 / 25.0