#include<bits/stdc++.h>
#define ll long long
#define all(v) (v).begin(),(v).end()
using namespace std;
ll i,j,n,x,a[200005],b[200005],ans;
vector<ll> v;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n >> x;
for(i=1;i<=n;i++){
cin >> a[i];
j=lower_bound(all(v),a[i]+x)-v.begin();
b[i]=j+1;
j=lower_bound(all(v),a[i])-v.begin();
if(j==v.size()) v.push_back(a[i]);
else v[j]=a[i];
}
v.clear();
for(i=n;i>=1;i--){
j=lower_bound(all(v),-a[i])-v.begin();
ans=max(ans,b[i]+j);
if(j==v.size()) v.push_back(-a[i]);
else v[j]=-a[i];
}
cout << ans;
}
Compilation message
glo.cpp: In function 'int main()':
glo.cpp:17:7: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
17 | if(j==v.size()) v.push_back(a[i]);
| ~^~~~~~~~~~
glo.cpp:24:7: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
24 | if(j==v.size()) v.push_back(-a[i]);
| ~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2504 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
2 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2648 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2504 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
2 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2648 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2392 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2392 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2504 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
2 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2648 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2392 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2392 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
1 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2392 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
41 ms |
4828 KB |
Output is correct |
2 |
Correct |
42 ms |
5108 KB |
Output is correct |
3 |
Correct |
41 ms |
4856 KB |
Output is correct |
4 |
Correct |
41 ms |
4668 KB |
Output is correct |
5 |
Correct |
24 ms |
5080 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
3160 KB |
Output is correct |
2 |
Correct |
10 ms |
3164 KB |
Output is correct |
3 |
Correct |
10 ms |
3160 KB |
Output is correct |
4 |
Correct |
6 ms |
3296 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
6 ms |
3296 KB |
Output is correct |
7 |
Correct |
8 ms |
3420 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
18 ms |
3420 KB |
Output is correct |
2 |
Correct |
19 ms |
3548 KB |
Output is correct |
3 |
Correct |
38 ms |
5456 KB |
Output is correct |
4 |
Correct |
24 ms |
5592 KB |
Output is correct |
5 |
Correct |
12 ms |
3836 KB |
Output is correct |
6 |
Correct |
22 ms |
5336 KB |
Output is correct |
7 |
Correct |
23 ms |
6100 KB |
Output is correct |
8 |
Correct |
16 ms |
3676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2504 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
2 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2648 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2392 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2392 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
1 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2392 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
27 |
Correct |
41 ms |
4828 KB |
Output is correct |
28 |
Correct |
42 ms |
5108 KB |
Output is correct |
29 |
Correct |
41 ms |
4856 KB |
Output is correct |
30 |
Correct |
41 ms |
4668 KB |
Output is correct |
31 |
Correct |
24 ms |
5080 KB |
Output is correct |
32 |
Correct |
10 ms |
3160 KB |
Output is correct |
33 |
Correct |
10 ms |
3164 KB |
Output is correct |
34 |
Correct |
10 ms |
3160 KB |
Output is correct |
35 |
Correct |
6 ms |
3296 KB |
Output is correct |
36 |
Correct |
1 ms |
2396 KB |
Output is correct |
37 |
Correct |
6 ms |
3296 KB |
Output is correct |
38 |
Correct |
8 ms |
3420 KB |
Output is correct |
39 |
Correct |
18 ms |
3420 KB |
Output is correct |
40 |
Correct |
19 ms |
3548 KB |
Output is correct |
41 |
Correct |
38 ms |
5456 KB |
Output is correct |
42 |
Correct |
24 ms |
5592 KB |
Output is correct |
43 |
Correct |
12 ms |
3836 KB |
Output is correct |
44 |
Correct |
22 ms |
5336 KB |
Output is correct |
45 |
Correct |
23 ms |
6100 KB |
Output is correct |
46 |
Correct |
16 ms |
3676 KB |
Output is correct |
47 |
Correct |
20 ms |
3576 KB |
Output is correct |
48 |
Correct |
19 ms |
3676 KB |
Output is correct |
49 |
Correct |
40 ms |
5504 KB |
Output is correct |
50 |
Correct |
28 ms |
6140 KB |
Output is correct |
51 |
Correct |
20 ms |
4828 KB |
Output is correct |
52 |
Correct |
25 ms |
5580 KB |
Output is correct |
53 |
Correct |
23 ms |
5592 KB |
Output is correct |
54 |
Correct |
24 ms |
6420 KB |
Output is correct |
55 |
Correct |
33 ms |
5412 KB |
Output is correct |