#include <bits/stdc++.h>
using namespace std;
int n, x;
int t[200005];
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> n >> x;
for (int i=0;i<n;i++)
cin >> t[i];
vector<int> rez;
int lis[n], najdolga;
for (int i=0;i<n;i++) {
auto it=lower_bound(rez.begin(), rez.end(), t[i]);
int index=it-rez.begin();
lis[i]=index+1;
if (it==rez.end())
rez.push_back(t[i]);
else *it=t[i];
}
najdolga=rez.size();
rez.clear();
int lds[n];
for (int i=n-1;i>=0;i--) {
auto it=lower_bound(rez.begin(), rez.end(), -t[i]+x);
int index=it-rez.begin();
lds[i]=index+1;
it=lower_bound(rez.begin(), rez.end(), -t[i]);
if (it==rez.end())
rez.push_back(-t[i]);
else *it=-t[i];
}
for (int i=0;i<n;i++)
najdolga=max(najdolga, lis[i]+lds[i]-1);
cout << najdolga;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
856 KB |
Output is correct |
7 |
Correct |
0 ms |
472 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
856 KB |
Output is correct |
7 |
Correct |
0 ms |
472 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
468 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
856 KB |
Output is correct |
7 |
Correct |
0 ms |
472 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
468 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
604 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
37 ms |
4688 KB |
Output is correct |
2 |
Correct |
39 ms |
4700 KB |
Output is correct |
3 |
Correct |
36 ms |
4692 KB |
Output is correct |
4 |
Correct |
37 ms |
4692 KB |
Output is correct |
5 |
Correct |
21 ms |
4320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
1368 KB |
Output is correct |
2 |
Correct |
9 ms |
1372 KB |
Output is correct |
3 |
Correct |
9 ms |
1372 KB |
Output is correct |
4 |
Correct |
5 ms |
1372 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
5 ms |
1372 KB |
Output is correct |
7 |
Correct |
8 ms |
1352 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
2396 KB |
Output is correct |
2 |
Correct |
16 ms |
2396 KB |
Output is correct |
3 |
Correct |
33 ms |
4628 KB |
Output is correct |
4 |
Correct |
24 ms |
4244 KB |
Output is correct |
5 |
Correct |
10 ms |
2528 KB |
Output is correct |
6 |
Correct |
19 ms |
4316 KB |
Output is correct |
7 |
Correct |
29 ms |
4828 KB |
Output is correct |
8 |
Correct |
14 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
856 KB |
Output is correct |
7 |
Correct |
0 ms |
472 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
468 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
604 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
37 ms |
4688 KB |
Output is correct |
28 |
Correct |
39 ms |
4700 KB |
Output is correct |
29 |
Correct |
36 ms |
4692 KB |
Output is correct |
30 |
Correct |
37 ms |
4692 KB |
Output is correct |
31 |
Correct |
21 ms |
4320 KB |
Output is correct |
32 |
Correct |
9 ms |
1368 KB |
Output is correct |
33 |
Correct |
9 ms |
1372 KB |
Output is correct |
34 |
Correct |
9 ms |
1372 KB |
Output is correct |
35 |
Correct |
5 ms |
1372 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Correct |
5 ms |
1372 KB |
Output is correct |
38 |
Correct |
8 ms |
1352 KB |
Output is correct |
39 |
Correct |
16 ms |
2396 KB |
Output is correct |
40 |
Correct |
16 ms |
2396 KB |
Output is correct |
41 |
Correct |
33 ms |
4628 KB |
Output is correct |
42 |
Correct |
24 ms |
4244 KB |
Output is correct |
43 |
Correct |
10 ms |
2528 KB |
Output is correct |
44 |
Correct |
19 ms |
4316 KB |
Output is correct |
45 |
Correct |
29 ms |
4828 KB |
Output is correct |
46 |
Correct |
14 ms |
2396 KB |
Output is correct |
47 |
Correct |
19 ms |
2392 KB |
Output is correct |
48 |
Correct |
22 ms |
2396 KB |
Output is correct |
49 |
Correct |
38 ms |
4708 KB |
Output is correct |
50 |
Correct |
19 ms |
4488 KB |
Output is correct |
51 |
Correct |
17 ms |
3388 KB |
Output is correct |
52 |
Correct |
21 ms |
4448 KB |
Output is correct |
53 |
Correct |
18 ms |
4572 KB |
Output is correct |
54 |
Correct |
26 ms |
5096 KB |
Output is correct |
55 |
Correct |
33 ms |
4700 KB |
Output is correct |