답안 #698920

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
698920	2023-02-14T19:49:13 Z	dattranxxx	Global Warming (CEOI18_glo)	C++11	100 / 100	163 ms	6988 KB

#include<bits/stdc++.h>
using namespace std;
using ll = long long;

const int N = 4e5 + 5;
int a[N], c[N];
int n, d, m = 0;

struct BIT {
  int bit[N];
  int get(int i) {
    i = upper_bound(c, c + m, i) - c;
    int res = 0;
    for (; i; i -= i & -i) {
      res = max(res, bit[i]);
    }
    return res;
  }
  void update(int i, int v) {
    i = lower_bound(c, c + m, i) - c + 1;
    for (; i <= m; i += i & -i) {
      bit[i] = max(bit[i], v);
    }
  }
} bit1, bit2;

int f[N][2];

int main() {
  cin.tie(0)->sync_with_stdio(0); cout.tie(0);
  cin >> n >> d;
  for (int i = 1; i <= n; ++i) {
    cin >> a[i];
    c[m++] = a[i];
  }
  sort(c, c + m);
  m = unique(c, c + m) - c;
  
  int res = 0;
  
  for (int i = 1; i <= n; ++i) {
    
    f[i][0] = bit1.get(a[i] - 1) + 1;
    f[i][1] = max(bit2.get(a[i] - 1) + 1, bit1.get(a[i] + d - 1) + 1);
    
    bit1.update(a[i], f[i][0]);
    bit2.update(a[i], f[i][1]);
    
    res = max(res, f[i][0]);
    res = max(res, f[i][1]);
    
  }
  
  cout << res;
  
	return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	324 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	328 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	324 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	328 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	324 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	328 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	336 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	332 KB	Output is correct
25	Correct	1 ms	296 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	159 ms	6920 KB	Output is correct
2	Correct	160 ms	6904 KB	Output is correct
3	Correct	156 ms	6860 KB	Output is correct
4	Correct	159 ms	6988 KB	Output is correct
5	Correct	72 ms	5328 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	39 ms	1984 KB	Output is correct
2	Correct	35 ms	1952 KB	Output is correct
3	Correct	36 ms	1948 KB	Output is correct
4	Correct	17 ms	1620 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	21 ms	1596 KB	Output is correct
7	Correct	30 ms	1988 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	66 ms	3568 KB	Output is correct
2	Correct	67 ms	3532 KB	Output is correct
3	Correct	142 ms	6936 KB	Output is correct
4	Correct	67 ms	5316 KB	Output is correct
5	Correct	39 ms	3200 KB	Output is correct
6	Correct	69 ms	6076 KB	Output is correct
7	Correct	84 ms	6648 KB	Output is correct
8	Correct	54 ms	3656 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	324 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	328 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	336 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	332 KB	Output is correct
25	Correct	1 ms	296 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	159 ms	6920 KB	Output is correct
28	Correct	160 ms	6904 KB	Output is correct
29	Correct	156 ms	6860 KB	Output is correct
30	Correct	159 ms	6988 KB	Output is correct
31	Correct	72 ms	5328 KB	Output is correct
32	Correct	39 ms	1984 KB	Output is correct
33	Correct	35 ms	1952 KB	Output is correct
34	Correct	36 ms	1948 KB	Output is correct
35	Correct	17 ms	1620 KB	Output is correct
36	Correct	1 ms	340 KB	Output is correct
37	Correct	21 ms	1596 KB	Output is correct
38	Correct	30 ms	1988 KB	Output is correct
39	Correct	66 ms	3568 KB	Output is correct
40	Correct	67 ms	3532 KB	Output is correct
41	Correct	142 ms	6936 KB	Output is correct
42	Correct	67 ms	5316 KB	Output is correct
43	Correct	39 ms	3200 KB	Output is correct
44	Correct	69 ms	6076 KB	Output is correct
45	Correct	84 ms	6648 KB	Output is correct
46	Correct	54 ms	3656 KB	Output is correct
47	Correct	78 ms	3624 KB	Output is correct
48	Correct	79 ms	3588 KB	Output is correct
49	Correct	163 ms	6872 KB	Output is correct
50	Correct	71 ms	5388 KB	Output is correct
51	Correct	63 ms	4396 KB	Output is correct
52	Correct	97 ms	6176 KB	Output is correct
53	Correct	75 ms	6204 KB	Output is correct
54	Correct	75 ms	6880 KB	Output is correct
55	Correct	130 ms	6884 KB	Output is correct

답안 #698920

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