답안 #674360

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
674360	2022-12-23T18:50:27 Z	ThinGarfield	Global Warming (CEOI18_glo)	C++11	100 / 100	107 ms	5436 KB

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define mp make_pair
#define F first
#define S second

constexpr int maxn = 2e5 + 10;

int n, x;
int t[maxn];
int l[maxn];
vector<int> dp;

int main() {
  // ios_base::sync_with_stdio(false);
  // cin.tie(NULL);

  cin >> n >> x;
  for (int i = 0; i < n; i++) cin >> t[i];

  vector<int> dp(n, INT_MAX);
  int lis = 0;
  for (int i = 0; i < n; i++) {
    int j = lower_bound(dp.begin(), dp.end(), t[i]) - dp.begin();
    dp[j] = t[i];
    l[i] = j + 1;
    lis = max(lis, l[i]);
  }

  vector<int> dp2(n, INT_MAX);
  for (int i = n - 1; i >= 0; i--) {
    int p = lower_bound(dp2.begin(), dp2.end(), x - t[i]) - dp2.begin();
    lis = max(lis, l[i] + p);

    int ins = lower_bound(dp2.begin(), dp2.end(), -t[i]) - dp2.begin();
    dp2[ins] = -t[i];
  }
  cout << lis << '\n';

  return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	312 KB	Output is correct
3	Correct	1 ms	308 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	300 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	312 KB	Output is correct
3	Correct	1 ms	308 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	300 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	308 KB	Output is correct
17	Correct	0 ms	312 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	312 KB	Output is correct
3	Correct	1 ms	308 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	300 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	308 KB	Output is correct
17	Correct	0 ms	312 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	316 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	320 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	308 KB	Output is correct
26	Correct	1 ms	312 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	106 ms	5360 KB	Output is correct
2	Correct	107 ms	5396 KB	Output is correct
3	Correct	107 ms	5312 KB	Output is correct
4	Correct	104 ms	5324 KB	Output is correct
5	Correct	78 ms	4496 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	26 ms	1536 KB	Output is correct
2	Correct	26 ms	1464 KB	Output is correct
3	Correct	26 ms	1528 KB	Output is correct
4	Correct	18 ms	1352 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	19 ms	1356 KB	Output is correct
7	Correct	25 ms	1548 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	52 ms	2840 KB	Output is correct
2	Correct	51 ms	2828 KB	Output is correct
3	Correct	104 ms	5356 KB	Output is correct
4	Correct	73 ms	4508 KB	Output is correct
5	Correct	37 ms	2340 KB	Output is correct
6	Correct	66 ms	4452 KB	Output is correct
7	Correct	87 ms	5116 KB	Output is correct
8	Correct	48 ms	2748 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	312 KB	Output is correct
3	Correct	1 ms	308 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	300 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	308 KB	Output is correct
17	Correct	0 ms	312 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	316 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	320 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	308 KB	Output is correct
26	Correct	1 ms	312 KB	Output is correct
27	Correct	106 ms	5360 KB	Output is correct
28	Correct	107 ms	5396 KB	Output is correct
29	Correct	107 ms	5312 KB	Output is correct
30	Correct	104 ms	5324 KB	Output is correct
31	Correct	78 ms	4496 KB	Output is correct
32	Correct	26 ms	1536 KB	Output is correct
33	Correct	26 ms	1464 KB	Output is correct
34	Correct	26 ms	1528 KB	Output is correct
35	Correct	18 ms	1352 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	19 ms	1356 KB	Output is correct
38	Correct	25 ms	1548 KB	Output is correct
39	Correct	52 ms	2840 KB	Output is correct
40	Correct	51 ms	2828 KB	Output is correct
41	Correct	104 ms	5356 KB	Output is correct
42	Correct	73 ms	4508 KB	Output is correct
43	Correct	37 ms	2340 KB	Output is correct
44	Correct	66 ms	4452 KB	Output is correct
45	Correct	87 ms	5116 KB	Output is correct
46	Correct	48 ms	2748 KB	Output is correct
47	Correct	51 ms	2764 KB	Output is correct
48	Correct	55 ms	2892 KB	Output is correct
49	Correct	103 ms	5420 KB	Output is correct
50	Correct	71 ms	4544 KB	Output is correct
51	Correct	56 ms	3496 KB	Output is correct
52	Correct	75 ms	4608 KB	Output is correct
53	Correct	70 ms	4692 KB	Output is correct
54	Correct	94 ms	5364 KB	Output is correct
55	Correct	99 ms	5436 KB	Output is correct

답안 #674360

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