#include <bits/stdc++.h>
using namespace std;
int main(){
int n,d;
cin>>n>>d;
vector<int> v(n);
for(int& a : v) cin>>a;
vector<int> smallest(n+1, 1e9+7), here(n);
smallest[0] = 0;
for(int i = 0; i < n; i++){
int l = lower_bound(smallest.begin(), smallest.end(), v[i]) - smallest.begin();
here[i] = l;
smallest[l] = v[i];
}
vector<int> biggest(n+1, -(1e9+7));
biggest[0] = 1e9+7;
int sol = 0;
for(int i = n-1; i >= 0; i--){
int l = 0, r = n;
while(r-l > 1)
if(biggest[(r+l)/2] > v[i]-d) l = (l+r)/2;
else r = (l+r)/2;
sol = max(sol, l+here[i]);
l = 0, r = n;
while(r-l > 1)
if(biggest[(r+l)/2] > v[i]) l = (l+r)/2;
else r = (l+r)/2;
biggest[l+1] = v[i];
}
cout << sol << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
600 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 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 |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
600 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
344 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 |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
600 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
344 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 |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
94 ms |
3556 KB |
Output is correct |
2 |
Correct |
91 ms |
3544 KB |
Output is correct |
3 |
Correct |
100 ms |
3556 KB |
Output is correct |
4 |
Correct |
92 ms |
3548 KB |
Output is correct |
5 |
Correct |
78 ms |
3504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
1160 KB |
Output is correct |
2 |
Correct |
23 ms |
1116 KB |
Output is correct |
3 |
Correct |
22 ms |
1312 KB |
Output is correct |
4 |
Correct |
18 ms |
1152 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
17 ms |
1116 KB |
Output is correct |
7 |
Correct |
26 ms |
1112 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
1816 KB |
Output is correct |
2 |
Correct |
49 ms |
1860 KB |
Output is correct |
3 |
Correct |
99 ms |
3408 KB |
Output is correct |
4 |
Correct |
75 ms |
3520 KB |
Output is correct |
5 |
Correct |
38 ms |
2424 KB |
Output is correct |
6 |
Correct |
74 ms |
4592 KB |
Output is correct |
7 |
Correct |
90 ms |
5116 KB |
Output is correct |
8 |
Correct |
49 ms |
2908 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
600 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
344 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 |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
344 KB |
Output is correct |
27 |
Correct |
94 ms |
3556 KB |
Output is correct |
28 |
Correct |
91 ms |
3544 KB |
Output is correct |
29 |
Correct |
100 ms |
3556 KB |
Output is correct |
30 |
Correct |
92 ms |
3548 KB |
Output is correct |
31 |
Correct |
78 ms |
3504 KB |
Output is correct |
32 |
Correct |
24 ms |
1160 KB |
Output is correct |
33 |
Correct |
23 ms |
1116 KB |
Output is correct |
34 |
Correct |
22 ms |
1312 KB |
Output is correct |
35 |
Correct |
18 ms |
1152 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Correct |
17 ms |
1116 KB |
Output is correct |
38 |
Correct |
26 ms |
1112 KB |
Output is correct |
39 |
Correct |
45 ms |
1816 KB |
Output is correct |
40 |
Correct |
49 ms |
1860 KB |
Output is correct |
41 |
Correct |
99 ms |
3408 KB |
Output is correct |
42 |
Correct |
75 ms |
3520 KB |
Output is correct |
43 |
Correct |
38 ms |
2424 KB |
Output is correct |
44 |
Correct |
74 ms |
4592 KB |
Output is correct |
45 |
Correct |
90 ms |
5116 KB |
Output is correct |
46 |
Correct |
49 ms |
2908 KB |
Output is correct |
47 |
Correct |
46 ms |
2744 KB |
Output is correct |
48 |
Correct |
48 ms |
2900 KB |
Output is correct |
49 |
Correct |
98 ms |
5484 KB |
Output is correct |
50 |
Correct |
74 ms |
4692 KB |
Output is correct |
51 |
Correct |
59 ms |
3668 KB |
Output is correct |
52 |
Correct |
76 ms |
4828 KB |
Output is correct |
53 |
Correct |
76 ms |
4692 KB |
Output is correct |
54 |
Correct |
104 ms |
5456 KB |
Output is correct |
55 |
Correct |
91 ms |
5424 KB |
Output is correct |