#include <bits/stdc++.h>
using namespace std;
#define LCBorz \
ios_base::sync_with_stdio(false); \
cin.tie(0);
#define int long long
#define all(x) x.begin(), x.end()
#define x first
#define y second
const int N=400005;
struct BIT{
vector<int> v=vector<int>(N);
void add(int p,int x){
for(int i=p;i<N;i+=i&(-i)){
v[i]=max(v[i],x);
}
}
int ask(int p){
int ans=0;
for(int i=p;i>0;i-=i&(-i)){
ans=max(ans,v[i]);
}
return ans;
}
};
int32_t main() {
LCBorz;
int n,x;cin>>n>>x;
vector<int> v(n);
vector<int> t;
for(int i=0;i<n;i++){
cin>>v[i];
t.push_back(v[i]);
t.push_back(v[i]+x);
}
sort(all(t));
t.resize(unique(all(t))-t.begin());
BIT b1,b2;
int ans=0;
for(int i=0;i<n;i++){
int a1=lower_bound(all(t),v[i])-t.begin()+1;
int a2=lower_bound(all(t),v[i]+x)-t.begin()+1;
int t1=b1.ask(a1-1);
int t2=max(b1.ask(a2-1),b2.ask(a2-1));
b1.add(a1,t1+1);
b2.add(a2,t2+1);
ans=max(ans,t1+1);
ans=max(ans,t2+1);
}
cout<<ans<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
6492 KB |
Output is correct |
2 |
Correct |
2 ms |
6524 KB |
Output is correct |
3 |
Correct |
2 ms |
6744 KB |
Output is correct |
4 |
Correct |
2 ms |
6492 KB |
Output is correct |
5 |
Correct |
2 ms |
6720 KB |
Output is correct |
6 |
Correct |
2 ms |
6488 KB |
Output is correct |
7 |
Correct |
2 ms |
6528 KB |
Output is correct |
8 |
Correct |
2 ms |
6492 KB |
Output is correct |
9 |
Correct |
2 ms |
6492 KB |
Output is correct |
10 |
Correct |
2 ms |
6492 KB |
Output is correct |
11 |
Correct |
2 ms |
6492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
6492 KB |
Output is correct |
2 |
Correct |
2 ms |
6524 KB |
Output is correct |
3 |
Correct |
2 ms |
6744 KB |
Output is correct |
4 |
Correct |
2 ms |
6492 KB |
Output is correct |
5 |
Correct |
2 ms |
6720 KB |
Output is correct |
6 |
Correct |
2 ms |
6488 KB |
Output is correct |
7 |
Correct |
2 ms |
6528 KB |
Output is correct |
8 |
Correct |
2 ms |
6492 KB |
Output is correct |
9 |
Correct |
2 ms |
6492 KB |
Output is correct |
10 |
Correct |
2 ms |
6492 KB |
Output is correct |
11 |
Correct |
2 ms |
6492 KB |
Output is correct |
12 |
Correct |
2 ms |
6492 KB |
Output is correct |
13 |
Correct |
2 ms |
6492 KB |
Output is correct |
14 |
Correct |
2 ms |
6492 KB |
Output is correct |
15 |
Correct |
2 ms |
6492 KB |
Output is correct |
16 |
Correct |
2 ms |
6492 KB |
Output is correct |
17 |
Correct |
2 ms |
6492 KB |
Output is correct |
18 |
Correct |
2 ms |
6492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
6492 KB |
Output is correct |
2 |
Correct |
2 ms |
6524 KB |
Output is correct |
3 |
Correct |
2 ms |
6744 KB |
Output is correct |
4 |
Correct |
2 ms |
6492 KB |
Output is correct |
5 |
Correct |
2 ms |
6720 KB |
Output is correct |
6 |
Correct |
2 ms |
6488 KB |
Output is correct |
7 |
Correct |
2 ms |
6528 KB |
Output is correct |
8 |
Correct |
2 ms |
6492 KB |
Output is correct |
9 |
Correct |
2 ms |
6492 KB |
Output is correct |
10 |
Correct |
2 ms |
6492 KB |
Output is correct |
11 |
Correct |
2 ms |
6492 KB |
Output is correct |
12 |
Correct |
2 ms |
6492 KB |
Output is correct |
13 |
Correct |
2 ms |
6492 KB |
Output is correct |
14 |
Correct |
2 ms |
6492 KB |
Output is correct |
15 |
Correct |
2 ms |
6492 KB |
Output is correct |
16 |
Correct |
2 ms |
6492 KB |
Output is correct |
17 |
Correct |
2 ms |
6492 KB |
Output is correct |
18 |
Correct |
2 ms |
6492 KB |
Output is correct |
19 |
Correct |
3 ms |
6748 KB |
Output is correct |
20 |
Correct |
2 ms |
6748 KB |
Output is correct |
21 |
Correct |
2 ms |
6744 KB |
Output is correct |
22 |
Correct |
2 ms |
6748 KB |
Output is correct |
23 |
Correct |
2 ms |
6748 KB |
Output is correct |
24 |
Correct |
2 ms |
6748 KB |
Output is correct |
25 |
Correct |
3 ms |
6748 KB |
Output is correct |
26 |
Correct |
2 ms |
6748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
106 ms |
13252 KB |
Output is correct |
2 |
Correct |
106 ms |
13352 KB |
Output is correct |
3 |
Correct |
107 ms |
13356 KB |
Output is correct |
4 |
Correct |
107 ms |
13368 KB |
Output is correct |
5 |
Correct |
51 ms |
12488 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
8408 KB |
Output is correct |
2 |
Correct |
26 ms |
8408 KB |
Output is correct |
3 |
Correct |
26 ms |
8408 KB |
Output is correct |
4 |
Correct |
15 ms |
8148 KB |
Output is correct |
5 |
Correct |
2 ms |
6492 KB |
Output is correct |
6 |
Correct |
14 ms |
8164 KB |
Output is correct |
7 |
Correct |
22 ms |
8516 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
56 ms |
9932 KB |
Output is correct |
2 |
Correct |
58 ms |
10060 KB |
Output is correct |
3 |
Correct |
118 ms |
13776 KB |
Output is correct |
4 |
Correct |
65 ms |
13616 KB |
Output is correct |
5 |
Correct |
33 ms |
9564 KB |
Output is correct |
6 |
Correct |
59 ms |
12512 KB |
Output is correct |
7 |
Correct |
61 ms |
13256 KB |
Output is correct |
8 |
Correct |
46 ms |
10196 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
6492 KB |
Output is correct |
2 |
Correct |
2 ms |
6524 KB |
Output is correct |
3 |
Correct |
2 ms |
6744 KB |
Output is correct |
4 |
Correct |
2 ms |
6492 KB |
Output is correct |
5 |
Correct |
2 ms |
6720 KB |
Output is correct |
6 |
Correct |
2 ms |
6488 KB |
Output is correct |
7 |
Correct |
2 ms |
6528 KB |
Output is correct |
8 |
Correct |
2 ms |
6492 KB |
Output is correct |
9 |
Correct |
2 ms |
6492 KB |
Output is correct |
10 |
Correct |
2 ms |
6492 KB |
Output is correct |
11 |
Correct |
2 ms |
6492 KB |
Output is correct |
12 |
Correct |
2 ms |
6492 KB |
Output is correct |
13 |
Correct |
2 ms |
6492 KB |
Output is correct |
14 |
Correct |
2 ms |
6492 KB |
Output is correct |
15 |
Correct |
2 ms |
6492 KB |
Output is correct |
16 |
Correct |
2 ms |
6492 KB |
Output is correct |
17 |
Correct |
2 ms |
6492 KB |
Output is correct |
18 |
Correct |
2 ms |
6492 KB |
Output is correct |
19 |
Correct |
3 ms |
6748 KB |
Output is correct |
20 |
Correct |
2 ms |
6748 KB |
Output is correct |
21 |
Correct |
2 ms |
6744 KB |
Output is correct |
22 |
Correct |
2 ms |
6748 KB |
Output is correct |
23 |
Correct |
2 ms |
6748 KB |
Output is correct |
24 |
Correct |
2 ms |
6748 KB |
Output is correct |
25 |
Correct |
3 ms |
6748 KB |
Output is correct |
26 |
Correct |
2 ms |
6748 KB |
Output is correct |
27 |
Correct |
106 ms |
13252 KB |
Output is correct |
28 |
Correct |
106 ms |
13352 KB |
Output is correct |
29 |
Correct |
107 ms |
13356 KB |
Output is correct |
30 |
Correct |
107 ms |
13368 KB |
Output is correct |
31 |
Correct |
51 ms |
12488 KB |
Output is correct |
32 |
Correct |
26 ms |
8408 KB |
Output is correct |
33 |
Correct |
26 ms |
8408 KB |
Output is correct |
34 |
Correct |
26 ms |
8408 KB |
Output is correct |
35 |
Correct |
15 ms |
8148 KB |
Output is correct |
36 |
Correct |
2 ms |
6492 KB |
Output is correct |
37 |
Correct |
14 ms |
8164 KB |
Output is correct |
38 |
Correct |
22 ms |
8516 KB |
Output is correct |
39 |
Correct |
56 ms |
9932 KB |
Output is correct |
40 |
Correct |
58 ms |
10060 KB |
Output is correct |
41 |
Correct |
118 ms |
13776 KB |
Output is correct |
42 |
Correct |
65 ms |
13616 KB |
Output is correct |
43 |
Correct |
33 ms |
9564 KB |
Output is correct |
44 |
Correct |
59 ms |
12512 KB |
Output is correct |
45 |
Correct |
61 ms |
13256 KB |
Output is correct |
46 |
Correct |
46 ms |
10196 KB |
Output is correct |
47 |
Correct |
54 ms |
9932 KB |
Output is correct |
48 |
Correct |
58 ms |
10020 KB |
Output is correct |
49 |
Correct |
116 ms |
13712 KB |
Output is correct |
50 |
Correct |
57 ms |
13128 KB |
Output is correct |
51 |
Correct |
44 ms |
11204 KB |
Output is correct |
52 |
Correct |
61 ms |
13520 KB |
Output is correct |
53 |
Correct |
58 ms |
12744 KB |
Output is correct |
54 |
Correct |
67 ms |
13508 KB |
Output is correct |
55 |
Correct |
93 ms |
13508 KB |
Output is correct |