#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(),x.end()
const int N = 3e5 + 10, INF = 2e9 + 10;
int n, x, a[N], l[N], ans;
vector <int> v(N, INF);
int main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
cin >> n >> x;
for (int i = 0; i < n; ++ i){
cin >> a[i];
}
v[0] = -INF;
for (int i = 0; i < n; ++ i){
int p = lower_bound (all(v), a[i]) - v.begin();
v[p] = a[i];
l[i] = p;
ans = max (ans, p);
}
for (int i = 0; i < n; ++ i){
v[i] = INF;
}
v[0] = -INF;
for (int i = n - 1; i >= 0; -- i){
int p = lower_bound (all(v), -a[i] + x) - v.begin();
ans = max (ans, l[i] + p - 1);
p = lower_bound (all(v), -a[i]) - v.begin();
v[p] = -a[i];
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
3672 KB |
Output is correct |
2 |
Correct |
1 ms |
3676 KB |
Output is correct |
3 |
Correct |
1 ms |
3676 KB |
Output is correct |
4 |
Correct |
1 ms |
3676 KB |
Output is correct |
5 |
Correct |
1 ms |
3676 KB |
Output is correct |
6 |
Correct |
1 ms |
3672 KB |
Output is correct |
7 |
Correct |
1 ms |
3672 KB |
Output is correct |
8 |
Correct |
1 ms |
3676 KB |
Output is correct |
9 |
Correct |
1 ms |
3676 KB |
Output is correct |
10 |
Correct |
1 ms |
3676 KB |
Output is correct |
11 |
Correct |
1 ms |
3616 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
3672 KB |
Output is correct |
2 |
Correct |
1 ms |
3676 KB |
Output is correct |
3 |
Correct |
1 ms |
3676 KB |
Output is correct |
4 |
Correct |
1 ms |
3676 KB |
Output is correct |
5 |
Correct |
1 ms |
3676 KB |
Output is correct |
6 |
Correct |
1 ms |
3672 KB |
Output is correct |
7 |
Correct |
1 ms |
3672 KB |
Output is correct |
8 |
Correct |
1 ms |
3676 KB |
Output is correct |
9 |
Correct |
1 ms |
3676 KB |
Output is correct |
10 |
Correct |
1 ms |
3676 KB |
Output is correct |
11 |
Correct |
1 ms |
3616 KB |
Output is correct |
12 |
Correct |
1 ms |
3672 KB |
Output is correct |
13 |
Correct |
1 ms |
3676 KB |
Output is correct |
14 |
Correct |
1 ms |
3672 KB |
Output is correct |
15 |
Correct |
1 ms |
3676 KB |
Output is correct |
16 |
Correct |
1 ms |
3676 KB |
Output is correct |
17 |
Correct |
1 ms |
3676 KB |
Output is correct |
18 |
Correct |
1 ms |
3676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
3672 KB |
Output is correct |
2 |
Correct |
1 ms |
3676 KB |
Output is correct |
3 |
Correct |
1 ms |
3676 KB |
Output is correct |
4 |
Correct |
1 ms |
3676 KB |
Output is correct |
5 |
Correct |
1 ms |
3676 KB |
Output is correct |
6 |
Correct |
1 ms |
3672 KB |
Output is correct |
7 |
Correct |
1 ms |
3672 KB |
Output is correct |
8 |
Correct |
1 ms |
3676 KB |
Output is correct |
9 |
Correct |
1 ms |
3676 KB |
Output is correct |
10 |
Correct |
1 ms |
3676 KB |
Output is correct |
11 |
Correct |
1 ms |
3616 KB |
Output is correct |
12 |
Correct |
1 ms |
3672 KB |
Output is correct |
13 |
Correct |
1 ms |
3676 KB |
Output is correct |
14 |
Correct |
1 ms |
3672 KB |
Output is correct |
15 |
Correct |
1 ms |
3676 KB |
Output is correct |
16 |
Correct |
1 ms |
3676 KB |
Output is correct |
17 |
Correct |
1 ms |
3676 KB |
Output is correct |
18 |
Correct |
1 ms |
3676 KB |
Output is correct |
19 |
Correct |
1 ms |
3676 KB |
Output is correct |
20 |
Correct |
1 ms |
3676 KB |
Output is correct |
21 |
Correct |
1 ms |
3676 KB |
Output is correct |
22 |
Correct |
1 ms |
3672 KB |
Output is correct |
23 |
Correct |
1 ms |
3676 KB |
Output is correct |
24 |
Correct |
1 ms |
3676 KB |
Output is correct |
25 |
Correct |
1 ms |
3676 KB |
Output is correct |
26 |
Correct |
1 ms |
3676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
47 ms |
3704 KB |
Output is correct |
2 |
Correct |
47 ms |
3676 KB |
Output is correct |
3 |
Correct |
49 ms |
3676 KB |
Output is correct |
4 |
Correct |
53 ms |
3672 KB |
Output is correct |
5 |
Correct |
35 ms |
3672 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
3676 KB |
Output is correct |
2 |
Correct |
12 ms |
3820 KB |
Output is correct |
3 |
Correct |
12 ms |
3676 KB |
Output is correct |
4 |
Correct |
9 ms |
3672 KB |
Output is correct |
5 |
Correct |
1 ms |
3672 KB |
Output is correct |
6 |
Correct |
10 ms |
3676 KB |
Output is correct |
7 |
Correct |
10 ms |
3704 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
3676 KB |
Output is correct |
2 |
Correct |
21 ms |
3676 KB |
Output is correct |
3 |
Correct |
45 ms |
3676 KB |
Output is correct |
4 |
Correct |
35 ms |
3676 KB |
Output is correct |
5 |
Correct |
18 ms |
3676 KB |
Output is correct |
6 |
Correct |
28 ms |
3700 KB |
Output is correct |
7 |
Correct |
32 ms |
3672 KB |
Output is correct |
8 |
Correct |
17 ms |
3676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
3672 KB |
Output is correct |
2 |
Correct |
1 ms |
3676 KB |
Output is correct |
3 |
Correct |
1 ms |
3676 KB |
Output is correct |
4 |
Correct |
1 ms |
3676 KB |
Output is correct |
5 |
Correct |
1 ms |
3676 KB |
Output is correct |
6 |
Correct |
1 ms |
3672 KB |
Output is correct |
7 |
Correct |
1 ms |
3672 KB |
Output is correct |
8 |
Correct |
1 ms |
3676 KB |
Output is correct |
9 |
Correct |
1 ms |
3676 KB |
Output is correct |
10 |
Correct |
1 ms |
3676 KB |
Output is correct |
11 |
Correct |
1 ms |
3616 KB |
Output is correct |
12 |
Correct |
1 ms |
3672 KB |
Output is correct |
13 |
Correct |
1 ms |
3676 KB |
Output is correct |
14 |
Correct |
1 ms |
3672 KB |
Output is correct |
15 |
Correct |
1 ms |
3676 KB |
Output is correct |
16 |
Correct |
1 ms |
3676 KB |
Output is correct |
17 |
Correct |
1 ms |
3676 KB |
Output is correct |
18 |
Correct |
1 ms |
3676 KB |
Output is correct |
19 |
Correct |
1 ms |
3676 KB |
Output is correct |
20 |
Correct |
1 ms |
3676 KB |
Output is correct |
21 |
Correct |
1 ms |
3676 KB |
Output is correct |
22 |
Correct |
1 ms |
3672 KB |
Output is correct |
23 |
Correct |
1 ms |
3676 KB |
Output is correct |
24 |
Correct |
1 ms |
3676 KB |
Output is correct |
25 |
Correct |
1 ms |
3676 KB |
Output is correct |
26 |
Correct |
1 ms |
3676 KB |
Output is correct |
27 |
Correct |
47 ms |
3704 KB |
Output is correct |
28 |
Correct |
47 ms |
3676 KB |
Output is correct |
29 |
Correct |
49 ms |
3676 KB |
Output is correct |
30 |
Correct |
53 ms |
3672 KB |
Output is correct |
31 |
Correct |
35 ms |
3672 KB |
Output is correct |
32 |
Correct |
12 ms |
3676 KB |
Output is correct |
33 |
Correct |
12 ms |
3820 KB |
Output is correct |
34 |
Correct |
12 ms |
3676 KB |
Output is correct |
35 |
Correct |
9 ms |
3672 KB |
Output is correct |
36 |
Correct |
1 ms |
3672 KB |
Output is correct |
37 |
Correct |
10 ms |
3676 KB |
Output is correct |
38 |
Correct |
10 ms |
3704 KB |
Output is correct |
39 |
Correct |
21 ms |
3676 KB |
Output is correct |
40 |
Correct |
21 ms |
3676 KB |
Output is correct |
41 |
Correct |
45 ms |
3676 KB |
Output is correct |
42 |
Correct |
35 ms |
3676 KB |
Output is correct |
43 |
Correct |
18 ms |
3676 KB |
Output is correct |
44 |
Correct |
28 ms |
3700 KB |
Output is correct |
45 |
Correct |
32 ms |
3672 KB |
Output is correct |
46 |
Correct |
17 ms |
3676 KB |
Output is correct |
47 |
Correct |
26 ms |
3676 KB |
Output is correct |
48 |
Correct |
24 ms |
3676 KB |
Output is correct |
49 |
Correct |
49 ms |
3932 KB |
Output is correct |
50 |
Correct |
34 ms |
3676 KB |
Output is correct |
51 |
Correct |
28 ms |
3748 KB |
Output is correct |
52 |
Correct |
36 ms |
3700 KB |
Output is correct |
53 |
Correct |
30 ms |
3708 KB |
Output is correct |
54 |
Correct |
33 ms |
3676 KB |
Output is correct |
55 |
Correct |
39 ms |
3700 KB |
Output is correct |