#include <bits/stdc++.h>
#define N 200050
#define limite (1000000005)
#define mid ((a + b)/2)
using namespace std;
int n, v[N], dp[N][2], x, resp;
struct node
{
int val;
node *l, *r;
node()
{
val = 0;
l = r = NULL;
}
};
node *root = new node(), *root1 = new node();
void upd(node *root, int a, int b, int i, int x)
{
if(a == b)
{
root->val = max(root->val, x);
return;
}
if(i <= mid)
{
if(!root->l) root->l = new node();
upd(root->l, a, mid, i, x);
}
else
{
if(!root->r) root->r = new node();
upd(root->r, mid + 1, b, i, x);
}
root->val = max( (root->l ? root->l->val : 0), (root->r ? root->r->val : 0) );
}
int query(node *root, int a, int b, int i, int j)
{
if(!root or (j < a or i > b)) return 0;
if(i <= a and j >= b) return root->val;
return max(query(root->l, a, mid, i, j), query(root->r, mid + 1, b, i, j));
}
int main()
{
ios::sync_with_stdio(false); cin.tie(0);
cin>>n>>x;
for(int i = 1; i <= n; i++) cin>>v[i];
for(int i = 1; i <= n; i++)
{
int A = query(root1, 0, limite, 0, v[i] - 1), B = query(root, 0, limite, 0, v[i] - 1);
int C = query(root1, 0, limite, v[i], v[i] + x - 1);
dp[i][1] = A + 1;
dp[i][0] = max({A, B, C}) + 1;
resp = max({resp, dp[i][0], dp[i][1]});
upd(root, 0, limite, v[i], dp[i][0]);
upd(root1, 0, limite, v[i], dp[i][1]);
}
cout<<resp<<"\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
452 KB |
Output is correct |
4 |
Correct |
3 ms |
636 KB |
Output is correct |
5 |
Correct |
2 ms |
636 KB |
Output is correct |
6 |
Correct |
3 ms |
636 KB |
Output is correct |
7 |
Correct |
3 ms |
720 KB |
Output is correct |
8 |
Correct |
3 ms |
720 KB |
Output is correct |
9 |
Correct |
2 ms |
720 KB |
Output is correct |
10 |
Correct |
2 ms |
720 KB |
Output is correct |
11 |
Correct |
3 ms |
720 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
452 KB |
Output is correct |
4 |
Correct |
3 ms |
636 KB |
Output is correct |
5 |
Correct |
2 ms |
636 KB |
Output is correct |
6 |
Correct |
3 ms |
636 KB |
Output is correct |
7 |
Correct |
3 ms |
720 KB |
Output is correct |
8 |
Correct |
3 ms |
720 KB |
Output is correct |
9 |
Correct |
2 ms |
720 KB |
Output is correct |
10 |
Correct |
2 ms |
720 KB |
Output is correct |
11 |
Correct |
3 ms |
720 KB |
Output is correct |
12 |
Correct |
3 ms |
720 KB |
Output is correct |
13 |
Correct |
2 ms |
720 KB |
Output is correct |
14 |
Correct |
3 ms |
720 KB |
Output is correct |
15 |
Correct |
3 ms |
720 KB |
Output is correct |
16 |
Correct |
2 ms |
720 KB |
Output is correct |
17 |
Correct |
3 ms |
720 KB |
Output is correct |
18 |
Correct |
2 ms |
720 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
452 KB |
Output is correct |
4 |
Correct |
3 ms |
636 KB |
Output is correct |
5 |
Correct |
2 ms |
636 KB |
Output is correct |
6 |
Correct |
3 ms |
636 KB |
Output is correct |
7 |
Correct |
3 ms |
720 KB |
Output is correct |
8 |
Correct |
3 ms |
720 KB |
Output is correct |
9 |
Correct |
2 ms |
720 KB |
Output is correct |
10 |
Correct |
2 ms |
720 KB |
Output is correct |
11 |
Correct |
3 ms |
720 KB |
Output is correct |
12 |
Correct |
3 ms |
720 KB |
Output is correct |
13 |
Correct |
2 ms |
720 KB |
Output is correct |
14 |
Correct |
3 ms |
720 KB |
Output is correct |
15 |
Correct |
3 ms |
720 KB |
Output is correct |
16 |
Correct |
2 ms |
720 KB |
Output is correct |
17 |
Correct |
3 ms |
720 KB |
Output is correct |
18 |
Correct |
2 ms |
720 KB |
Output is correct |
19 |
Correct |
7 ms |
1892 KB |
Output is correct |
20 |
Correct |
6 ms |
1900 KB |
Output is correct |
21 |
Correct |
5 ms |
2028 KB |
Output is correct |
22 |
Correct |
6 ms |
2028 KB |
Output is correct |
23 |
Correct |
5 ms |
2028 KB |
Output is correct |
24 |
Correct |
4 ms |
2028 KB |
Output is correct |
25 |
Correct |
4 ms |
2028 KB |
Output is correct |
26 |
Correct |
4 ms |
2028 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
889 ms |
170892 KB |
Output is correct |
2 |
Correct |
878 ms |
171008 KB |
Output is correct |
3 |
Correct |
894 ms |
171008 KB |
Output is correct |
4 |
Correct |
919 ms |
171008 KB |
Output is correct |
5 |
Correct |
404 ms |
171008 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
219 ms |
171008 KB |
Output is correct |
2 |
Correct |
235 ms |
171008 KB |
Output is correct |
3 |
Correct |
238 ms |
171008 KB |
Output is correct |
4 |
Correct |
110 ms |
171008 KB |
Output is correct |
5 |
Correct |
2 ms |
171008 KB |
Output is correct |
6 |
Correct |
92 ms |
171008 KB |
Output is correct |
7 |
Correct |
161 ms |
171008 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
457 ms |
171008 KB |
Output is correct |
2 |
Correct |
448 ms |
171008 KB |
Output is correct |
3 |
Correct |
935 ms |
171020 KB |
Output is correct |
4 |
Correct |
405 ms |
171020 KB |
Output is correct |
5 |
Correct |
164 ms |
171020 KB |
Output is correct |
6 |
Correct |
293 ms |
171020 KB |
Output is correct |
7 |
Correct |
292 ms |
171020 KB |
Output is correct |
8 |
Correct |
318 ms |
171020 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
452 KB |
Output is correct |
4 |
Correct |
3 ms |
636 KB |
Output is correct |
5 |
Correct |
2 ms |
636 KB |
Output is correct |
6 |
Correct |
3 ms |
636 KB |
Output is correct |
7 |
Correct |
3 ms |
720 KB |
Output is correct |
8 |
Correct |
3 ms |
720 KB |
Output is correct |
9 |
Correct |
2 ms |
720 KB |
Output is correct |
10 |
Correct |
2 ms |
720 KB |
Output is correct |
11 |
Correct |
3 ms |
720 KB |
Output is correct |
12 |
Correct |
3 ms |
720 KB |
Output is correct |
13 |
Correct |
2 ms |
720 KB |
Output is correct |
14 |
Correct |
3 ms |
720 KB |
Output is correct |
15 |
Correct |
3 ms |
720 KB |
Output is correct |
16 |
Correct |
2 ms |
720 KB |
Output is correct |
17 |
Correct |
3 ms |
720 KB |
Output is correct |
18 |
Correct |
2 ms |
720 KB |
Output is correct |
19 |
Correct |
7 ms |
1892 KB |
Output is correct |
20 |
Correct |
6 ms |
1900 KB |
Output is correct |
21 |
Correct |
5 ms |
2028 KB |
Output is correct |
22 |
Correct |
6 ms |
2028 KB |
Output is correct |
23 |
Correct |
5 ms |
2028 KB |
Output is correct |
24 |
Correct |
4 ms |
2028 KB |
Output is correct |
25 |
Correct |
4 ms |
2028 KB |
Output is correct |
26 |
Correct |
4 ms |
2028 KB |
Output is correct |
27 |
Correct |
889 ms |
170892 KB |
Output is correct |
28 |
Correct |
878 ms |
171008 KB |
Output is correct |
29 |
Correct |
894 ms |
171008 KB |
Output is correct |
30 |
Correct |
919 ms |
171008 KB |
Output is correct |
31 |
Correct |
404 ms |
171008 KB |
Output is correct |
32 |
Correct |
219 ms |
171008 KB |
Output is correct |
33 |
Correct |
235 ms |
171008 KB |
Output is correct |
34 |
Correct |
238 ms |
171008 KB |
Output is correct |
35 |
Correct |
110 ms |
171008 KB |
Output is correct |
36 |
Correct |
2 ms |
171008 KB |
Output is correct |
37 |
Correct |
92 ms |
171008 KB |
Output is correct |
38 |
Correct |
161 ms |
171008 KB |
Output is correct |
39 |
Correct |
457 ms |
171008 KB |
Output is correct |
40 |
Correct |
448 ms |
171008 KB |
Output is correct |
41 |
Correct |
935 ms |
171020 KB |
Output is correct |
42 |
Correct |
405 ms |
171020 KB |
Output is correct |
43 |
Correct |
164 ms |
171020 KB |
Output is correct |
44 |
Correct |
293 ms |
171020 KB |
Output is correct |
45 |
Correct |
292 ms |
171020 KB |
Output is correct |
46 |
Correct |
318 ms |
171020 KB |
Output is correct |
47 |
Correct |
498 ms |
171020 KB |
Output is correct |
48 |
Correct |
453 ms |
171020 KB |
Output is correct |
49 |
Correct |
1000 ms |
171020 KB |
Output is correct |
50 |
Correct |
400 ms |
171020 KB |
Output is correct |
51 |
Correct |
224 ms |
171020 KB |
Output is correct |
52 |
Correct |
339 ms |
171020 KB |
Output is correct |
53 |
Correct |
322 ms |
171020 KB |
Output is correct |
54 |
Correct |
328 ms |
171020 KB |
Output is correct |
55 |
Correct |
633 ms |
171020 KB |
Output is correct |