#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define N 200200
int n , x , rt , p , b[N] , a[N] , lis[N];
signed main(){
cin.tie(0)->sync_with_stdio(0);
cin >> n >> x , memset(b , 0x3f , sizeof b);
for (int i = 1 ; i <= n ; i ++)
cin >> a[i] , p = lower_bound(b + 1,b + n + 1,a[i]) - b , rt = max(rt,p) , lis[i] = p , b[p] = a[i];
memset(b , 0x3f , sizeof b);
for (int i = n ; i ; i --){
p = lower_bound(b + 1,b + n + 1,-a[i]) - b;
rt = max(rt , p + lis[i] - 1);
p = lower_bound(b + 1,b + n + 1,-a[i]-x) - b , b[p] = -a[i]-x;
}
cout << rt << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1116 KB |
Output is correct |
2 |
Correct |
1 ms |
1116 KB |
Output is correct |
3 |
Correct |
0 ms |
1116 KB |
Output is correct |
4 |
Correct |
0 ms |
1116 KB |
Output is correct |
5 |
Correct |
1 ms |
1240 KB |
Output is correct |
6 |
Correct |
1 ms |
1116 KB |
Output is correct |
7 |
Correct |
1 ms |
1116 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 KB |
Output is correct |
9 |
Correct |
1 ms |
1116 KB |
Output is correct |
10 |
Correct |
1 ms |
1116 KB |
Output is correct |
11 |
Correct |
1 ms |
1116 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1116 KB |
Output is correct |
2 |
Correct |
1 ms |
1116 KB |
Output is correct |
3 |
Correct |
0 ms |
1116 KB |
Output is correct |
4 |
Correct |
0 ms |
1116 KB |
Output is correct |
5 |
Correct |
1 ms |
1240 KB |
Output is correct |
6 |
Correct |
1 ms |
1116 KB |
Output is correct |
7 |
Correct |
1 ms |
1116 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 KB |
Output is correct |
9 |
Correct |
1 ms |
1116 KB |
Output is correct |
10 |
Correct |
1 ms |
1116 KB |
Output is correct |
11 |
Correct |
1 ms |
1116 KB |
Output is correct |
12 |
Correct |
1 ms |
1116 KB |
Output is correct |
13 |
Correct |
1 ms |
1116 KB |
Output is correct |
14 |
Correct |
1 ms |
1116 KB |
Output is correct |
15 |
Correct |
1 ms |
1116 KB |
Output is correct |
16 |
Correct |
1 ms |
1116 KB |
Output is correct |
17 |
Correct |
1 ms |
1244 KB |
Output is correct |
18 |
Correct |
0 ms |
1116 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1116 KB |
Output is correct |
2 |
Correct |
1 ms |
1116 KB |
Output is correct |
3 |
Correct |
0 ms |
1116 KB |
Output is correct |
4 |
Correct |
0 ms |
1116 KB |
Output is correct |
5 |
Correct |
1 ms |
1240 KB |
Output is correct |
6 |
Correct |
1 ms |
1116 KB |
Output is correct |
7 |
Correct |
1 ms |
1116 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 KB |
Output is correct |
9 |
Correct |
1 ms |
1116 KB |
Output is correct |
10 |
Correct |
1 ms |
1116 KB |
Output is correct |
11 |
Correct |
1 ms |
1116 KB |
Output is correct |
12 |
Correct |
1 ms |
1116 KB |
Output is correct |
13 |
Correct |
1 ms |
1116 KB |
Output is correct |
14 |
Correct |
1 ms |
1116 KB |
Output is correct |
15 |
Correct |
1 ms |
1116 KB |
Output is correct |
16 |
Correct |
1 ms |
1116 KB |
Output is correct |
17 |
Correct |
1 ms |
1244 KB |
Output is correct |
18 |
Correct |
0 ms |
1116 KB |
Output is correct |
19 |
Correct |
1 ms |
1116 KB |
Output is correct |
20 |
Correct |
1 ms |
1116 KB |
Output is correct |
21 |
Correct |
1 ms |
1112 KB |
Output is correct |
22 |
Correct |
1 ms |
1116 KB |
Output is correct |
23 |
Correct |
1 ms |
1116 KB |
Output is correct |
24 |
Correct |
1 ms |
1116 KB |
Output is correct |
25 |
Correct |
2 ms |
1116 KB |
Output is correct |
26 |
Correct |
1 ms |
1116 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
42 ms |
4700 KB |
Output is correct |
2 |
Correct |
44 ms |
4688 KB |
Output is correct |
3 |
Correct |
43 ms |
4700 KB |
Output is correct |
4 |
Correct |
42 ms |
4696 KB |
Output is correct |
5 |
Correct |
29 ms |
3928 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
1884 KB |
Output is correct |
2 |
Correct |
13 ms |
1884 KB |
Output is correct |
3 |
Correct |
10 ms |
2132 KB |
Output is correct |
4 |
Correct |
7 ms |
1884 KB |
Output is correct |
5 |
Correct |
1 ms |
1116 KB |
Output is correct |
6 |
Correct |
7 ms |
1880 KB |
Output is correct |
7 |
Correct |
8 ms |
2056 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
2908 KB |
Output is correct |
2 |
Correct |
18 ms |
2904 KB |
Output is correct |
3 |
Correct |
42 ms |
4608 KB |
Output is correct |
4 |
Correct |
27 ms |
3932 KB |
Output is correct |
5 |
Correct |
14 ms |
2396 KB |
Output is correct |
6 |
Correct |
25 ms |
3880 KB |
Output is correct |
7 |
Correct |
27 ms |
4572 KB |
Output is correct |
8 |
Correct |
15 ms |
2908 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1116 KB |
Output is correct |
2 |
Correct |
1 ms |
1116 KB |
Output is correct |
3 |
Correct |
0 ms |
1116 KB |
Output is correct |
4 |
Correct |
0 ms |
1116 KB |
Output is correct |
5 |
Correct |
1 ms |
1240 KB |
Output is correct |
6 |
Correct |
1 ms |
1116 KB |
Output is correct |
7 |
Correct |
1 ms |
1116 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 KB |
Output is correct |
9 |
Correct |
1 ms |
1116 KB |
Output is correct |
10 |
Correct |
1 ms |
1116 KB |
Output is correct |
11 |
Correct |
1 ms |
1116 KB |
Output is correct |
12 |
Correct |
1 ms |
1116 KB |
Output is correct |
13 |
Correct |
1 ms |
1116 KB |
Output is correct |
14 |
Correct |
1 ms |
1116 KB |
Output is correct |
15 |
Correct |
1 ms |
1116 KB |
Output is correct |
16 |
Correct |
1 ms |
1116 KB |
Output is correct |
17 |
Correct |
1 ms |
1244 KB |
Output is correct |
18 |
Correct |
0 ms |
1116 KB |
Output is correct |
19 |
Correct |
1 ms |
1116 KB |
Output is correct |
20 |
Correct |
1 ms |
1116 KB |
Output is correct |
21 |
Correct |
1 ms |
1112 KB |
Output is correct |
22 |
Correct |
1 ms |
1116 KB |
Output is correct |
23 |
Correct |
1 ms |
1116 KB |
Output is correct |
24 |
Correct |
1 ms |
1116 KB |
Output is correct |
25 |
Correct |
2 ms |
1116 KB |
Output is correct |
26 |
Correct |
1 ms |
1116 KB |
Output is correct |
27 |
Correct |
42 ms |
4700 KB |
Output is correct |
28 |
Correct |
44 ms |
4688 KB |
Output is correct |
29 |
Correct |
43 ms |
4700 KB |
Output is correct |
30 |
Correct |
42 ms |
4696 KB |
Output is correct |
31 |
Correct |
29 ms |
3928 KB |
Output is correct |
32 |
Correct |
10 ms |
1884 KB |
Output is correct |
33 |
Correct |
13 ms |
1884 KB |
Output is correct |
34 |
Correct |
10 ms |
2132 KB |
Output is correct |
35 |
Correct |
7 ms |
1884 KB |
Output is correct |
36 |
Correct |
1 ms |
1116 KB |
Output is correct |
37 |
Correct |
7 ms |
1880 KB |
Output is correct |
38 |
Correct |
8 ms |
2056 KB |
Output is correct |
39 |
Correct |
19 ms |
2908 KB |
Output is correct |
40 |
Correct |
18 ms |
2904 KB |
Output is correct |
41 |
Correct |
42 ms |
4608 KB |
Output is correct |
42 |
Correct |
27 ms |
3932 KB |
Output is correct |
43 |
Correct |
14 ms |
2396 KB |
Output is correct |
44 |
Correct |
25 ms |
3880 KB |
Output is correct |
45 |
Correct |
27 ms |
4572 KB |
Output is correct |
46 |
Correct |
15 ms |
2908 KB |
Output is correct |
47 |
Correct |
20 ms |
2908 KB |
Output is correct |
48 |
Correct |
19 ms |
2904 KB |
Output is correct |
49 |
Correct |
40 ms |
4664 KB |
Output is correct |
50 |
Correct |
27 ms |
3932 KB |
Output is correct |
51 |
Correct |
23 ms |
3164 KB |
Output is correct |
52 |
Correct |
28 ms |
3932 KB |
Output is correct |
53 |
Correct |
25 ms |
3912 KB |
Output is correct |
54 |
Correct |
39 ms |
4688 KB |
Output is correct |
55 |
Correct |
33 ms |
4692 KB |
Output is correct |