import java.util.*;
import java.io.*;
public class glo {
public static void main(String[] args) throws IOException {
Reader in = new Reader();
PrintWriter out = new PrintWriter(System.out);
int N = in.nextInt(), K = in.nextInt();
int[] arr = new int[N];
for (int i = 0; i < N; i++) {
arr[i] = in.nextInt();
}
List<Integer> compress = new ArrayList<>();
for (int i : arr) {
compress.add(i);
}
Collections.sort(compress);
for (int i = 0; i < N; i++) {
arr[i] = Collections.binarySearch(compress, arr[i]);
}
int[] up = new int[compress.size()];
int index = 0;
for (int i = 0; i < compress.size(); i++) {
while (index + 1 < compress.size() && compress.get(index + 1) < compress.get(i) + K) {
index++;
}
up[i] = index;
}
int M = 1;
while (M < compress.size()) {
M <<= 1;
}
int[] tree = new int[M * 2], tree2 = new int[M * 2];
for (int i : arr) {
int l = M, r = i - 1 + M;
int max = 0, max2 = 0;
while (l <= r) {
if (l % 2 == 1) {
max = Math.max(max, tree[l]);
max2 = Math.max(max2, tree2[l]);
l >>= 1;
l++;
} else {
l >>= 1;
}
if (r % 2 == 0) {
max = Math.max(max, tree[r]);
max2 = Math.max(max2, tree2[r]);
r >>= 1;
r--;
} else {
r >>= 1;
}
}
l = M;
r = up[i] + M;
while (l <= r) {
if (l % 2 == 1) {
max2 = Math.max(max2, tree[l]);
l >>= 1;
l++;
} else {
l >>= 1;
}
if (r % 2 == 0) {
max2 = Math.max(max2, tree[r]);
r >>= 1;
r--;
} else {
r >>= 1;
}
}
max++;
max2++;
int current = i + M;
while (current > 0) {
tree[current] = Math.max(tree[current], max);
tree2[current] = Math.max(tree2[current], max2);
current >>= 1;
}
}
out.println(tree2[1]);
out.close();
}
static class Reader {
BufferedInputStream in;
public Reader() {
in = new BufferedInputStream(System.in);
}
public String nextLine() throws IOException {
int c;
StringBuilder sb = new StringBuilder("");
while ((c = in.read()) != '\n')
sb.append((char)(c));
return sb.toString();
}
public String next() throws IOException {
int c;
StringBuilder sb = new StringBuilder("");
while ((c = in.read()) != ' ' && c != '\n')
sb.append((char)(c));
return sb.toString();
}
public int nextInt() throws IOException {
return (int)nextLong();
}
public long nextLong() throws IOException {
int c;
long res = 0;
boolean start = false, negative = false;
while ((c = in.read()) != ' ' && c != '\n' || !start)
if (c >= '0' && c <= '9' || c == '-') {
start = true;
if (c == '-')
negative = true;
else
res = res * 10 + c - '0';
}
return res * (negative ? -1 : 1);
}
}
public static void sort(int[] arr) {
List<Integer> list = new ArrayList<>();
for (int i : arr) {
list.add(i);
}
Collections.sort(list);
for (int i = 0; i < arr.length; i++) {
arr[i] = list.get(i);
}
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
61 ms |
8632 KB |
Output is correct |
2 |
Correct |
54 ms |
8212 KB |
Output is correct |
3 |
Correct |
60 ms |
8236 KB |
Output is correct |
4 |
Correct |
62 ms |
8200 KB |
Output is correct |
5 |
Correct |
64 ms |
8388 KB |
Output is correct |
6 |
Correct |
68 ms |
8296 KB |
Output is correct |
7 |
Correct |
56 ms |
8292 KB |
Output is correct |
8 |
Correct |
61 ms |
8352 KB |
Output is correct |
9 |
Correct |
52 ms |
8280 KB |
Output is correct |
10 |
Correct |
55 ms |
8444 KB |
Output is correct |
11 |
Correct |
60 ms |
8240 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
61 ms |
8632 KB |
Output is correct |
2 |
Correct |
54 ms |
8212 KB |
Output is correct |
3 |
Correct |
60 ms |
8236 KB |
Output is correct |
4 |
Correct |
62 ms |
8200 KB |
Output is correct |
5 |
Correct |
64 ms |
8388 KB |
Output is correct |
6 |
Correct |
68 ms |
8296 KB |
Output is correct |
7 |
Correct |
56 ms |
8292 KB |
Output is correct |
8 |
Correct |
61 ms |
8352 KB |
Output is correct |
9 |
Correct |
52 ms |
8280 KB |
Output is correct |
10 |
Correct |
55 ms |
8444 KB |
Output is correct |
11 |
Correct |
60 ms |
8240 KB |
Output is correct |
12 |
Correct |
61 ms |
8324 KB |
Output is correct |
13 |
Correct |
63 ms |
8164 KB |
Output is correct |
14 |
Correct |
57 ms |
8492 KB |
Output is correct |
15 |
Correct |
60 ms |
8380 KB |
Output is correct |
16 |
Correct |
64 ms |
8160 KB |
Output is correct |
17 |
Correct |
63 ms |
8236 KB |
Output is correct |
18 |
Correct |
60 ms |
8352 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
61 ms |
8632 KB |
Output is correct |
2 |
Correct |
54 ms |
8212 KB |
Output is correct |
3 |
Correct |
60 ms |
8236 KB |
Output is correct |
4 |
Correct |
62 ms |
8200 KB |
Output is correct |
5 |
Correct |
64 ms |
8388 KB |
Output is correct |
6 |
Correct |
68 ms |
8296 KB |
Output is correct |
7 |
Correct |
56 ms |
8292 KB |
Output is correct |
8 |
Correct |
61 ms |
8352 KB |
Output is correct |
9 |
Correct |
52 ms |
8280 KB |
Output is correct |
10 |
Correct |
55 ms |
8444 KB |
Output is correct |
11 |
Correct |
60 ms |
8240 KB |
Output is correct |
12 |
Correct |
61 ms |
8324 KB |
Output is correct |
13 |
Correct |
63 ms |
8164 KB |
Output is correct |
14 |
Correct |
57 ms |
8492 KB |
Output is correct |
15 |
Correct |
60 ms |
8380 KB |
Output is correct |
16 |
Correct |
64 ms |
8160 KB |
Output is correct |
17 |
Correct |
63 ms |
8236 KB |
Output is correct |
18 |
Correct |
60 ms |
8352 KB |
Output is correct |
19 |
Correct |
80 ms |
8492 KB |
Output is correct |
20 |
Correct |
79 ms |
8492 KB |
Output is correct |
21 |
Correct |
87 ms |
8360 KB |
Output is correct |
22 |
Correct |
91 ms |
8640 KB |
Output is correct |
23 |
Correct |
74 ms |
8484 KB |
Output is correct |
24 |
Correct |
75 ms |
8448 KB |
Output is correct |
25 |
Correct |
73 ms |
8412 KB |
Output is correct |
26 |
Correct |
77 ms |
8336 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
610 ms |
25384 KB |
Output is correct |
2 |
Correct |
533 ms |
25604 KB |
Output is correct |
3 |
Correct |
545 ms |
25744 KB |
Output is correct |
4 |
Correct |
576 ms |
25792 KB |
Output is correct |
5 |
Correct |
304 ms |
21876 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
343 ms |
15108 KB |
Output is correct |
2 |
Correct |
298 ms |
15240 KB |
Output is correct |
3 |
Correct |
293 ms |
15500 KB |
Output is correct |
4 |
Correct |
203 ms |
12788 KB |
Output is correct |
5 |
Correct |
56 ms |
8340 KB |
Output is correct |
6 |
Correct |
191 ms |
14484 KB |
Output is correct |
7 |
Correct |
308 ms |
15344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
404 ms |
19388 KB |
Output is correct |
2 |
Correct |
389 ms |
18412 KB |
Output is correct |
3 |
Correct |
520 ms |
25728 KB |
Output is correct |
4 |
Correct |
313 ms |
21900 KB |
Output is correct |
5 |
Correct |
235 ms |
16852 KB |
Output is correct |
6 |
Correct |
266 ms |
22080 KB |
Output is correct |
7 |
Correct |
268 ms |
22276 KB |
Output is correct |
8 |
Correct |
451 ms |
19120 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
61 ms |
8632 KB |
Output is correct |
2 |
Correct |
54 ms |
8212 KB |
Output is correct |
3 |
Correct |
60 ms |
8236 KB |
Output is correct |
4 |
Correct |
62 ms |
8200 KB |
Output is correct |
5 |
Correct |
64 ms |
8388 KB |
Output is correct |
6 |
Correct |
68 ms |
8296 KB |
Output is correct |
7 |
Correct |
56 ms |
8292 KB |
Output is correct |
8 |
Correct |
61 ms |
8352 KB |
Output is correct |
9 |
Correct |
52 ms |
8280 KB |
Output is correct |
10 |
Correct |
55 ms |
8444 KB |
Output is correct |
11 |
Correct |
60 ms |
8240 KB |
Output is correct |
12 |
Correct |
61 ms |
8324 KB |
Output is correct |
13 |
Correct |
63 ms |
8164 KB |
Output is correct |
14 |
Correct |
57 ms |
8492 KB |
Output is correct |
15 |
Correct |
60 ms |
8380 KB |
Output is correct |
16 |
Correct |
64 ms |
8160 KB |
Output is correct |
17 |
Correct |
63 ms |
8236 KB |
Output is correct |
18 |
Correct |
60 ms |
8352 KB |
Output is correct |
19 |
Correct |
80 ms |
8492 KB |
Output is correct |
20 |
Correct |
79 ms |
8492 KB |
Output is correct |
21 |
Correct |
87 ms |
8360 KB |
Output is correct |
22 |
Correct |
91 ms |
8640 KB |
Output is correct |
23 |
Correct |
74 ms |
8484 KB |
Output is correct |
24 |
Correct |
75 ms |
8448 KB |
Output is correct |
25 |
Correct |
73 ms |
8412 KB |
Output is correct |
26 |
Correct |
77 ms |
8336 KB |
Output is correct |
27 |
Correct |
610 ms |
25384 KB |
Output is correct |
28 |
Correct |
533 ms |
25604 KB |
Output is correct |
29 |
Correct |
545 ms |
25744 KB |
Output is correct |
30 |
Correct |
576 ms |
25792 KB |
Output is correct |
31 |
Correct |
304 ms |
21876 KB |
Output is correct |
32 |
Correct |
343 ms |
15108 KB |
Output is correct |
33 |
Correct |
298 ms |
15240 KB |
Output is correct |
34 |
Correct |
293 ms |
15500 KB |
Output is correct |
35 |
Correct |
203 ms |
12788 KB |
Output is correct |
36 |
Correct |
56 ms |
8340 KB |
Output is correct |
37 |
Correct |
191 ms |
14484 KB |
Output is correct |
38 |
Correct |
308 ms |
15344 KB |
Output is correct |
39 |
Correct |
404 ms |
19388 KB |
Output is correct |
40 |
Correct |
389 ms |
18412 KB |
Output is correct |
41 |
Correct |
520 ms |
25728 KB |
Output is correct |
42 |
Correct |
313 ms |
21900 KB |
Output is correct |
43 |
Correct |
235 ms |
16852 KB |
Output is correct |
44 |
Correct |
266 ms |
22080 KB |
Output is correct |
45 |
Correct |
268 ms |
22276 KB |
Output is correct |
46 |
Correct |
451 ms |
19120 KB |
Output is correct |
47 |
Correct |
429 ms |
19112 KB |
Output is correct |
48 |
Correct |
368 ms |
18884 KB |
Output is correct |
49 |
Correct |
590 ms |
25592 KB |
Output is correct |
50 |
Correct |
311 ms |
22564 KB |
Output is correct |
51 |
Correct |
260 ms |
20084 KB |
Output is correct |
52 |
Correct |
301 ms |
23372 KB |
Output is correct |
53 |
Correct |
263 ms |
21704 KB |
Output is correct |
54 |
Correct |
273 ms |
22784 KB |
Output is correct |
55 |
Correct |
477 ms |
25432 KB |
Output is correct |