#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <numeric>
#include <cmath>
#include <cstring>
#include <climits>
#include <stack>
#include <bitset>
typedef long long ll;
using namespace std;
const ll MAXN = 2*1e5 + 5;
ll t[MAXN];
int main(){
ll n,x; cin >> n >> x;
for ( int i = 0; i<n; i++) cin >> t[i];
vector<ll> s; ll lis = 0; ll dp[n];
for (int i = n-1; i>=0; i--) {
ll l=0; ll r = lis;
while (l < r) {
ll mid = (l+r)/2;
if (s[mid]<=t[i]) r = mid;
else l = mid+1;
}
if (r==lis) {s.push_back(t[i]);lis++;}
else {
s[r] = t[i];
}
dp[i] = r;
}
vector<ll> l; lis = 0; ll ans = 0;
for (int i = 0; i<n; i++) {
ll pos1 = lower_bound(l.begin(),l.end(),t[i]+x) - l.begin();
ll pos = lower_bound(l.begin(),l.end(),t[i]) - l.begin();
ans = max(ans, pos1 + dp[i] + 1);
if (pos==lis) {
lis++; l.push_back(t[i]);
}
else l[pos] = t[i];
}
cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
412 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 |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
412 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 |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 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 |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 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 |
604 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
412 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 |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 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 |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 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 |
604 KB |
Output is correct |
17 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
73 ms |
5448 KB |
Output is correct |
2 |
Correct |
72 ms |
5456 KB |
Output is correct |
3 |
Correct |
78 ms |
5460 KB |
Output is correct |
4 |
Correct |
71 ms |
5308 KB |
Output is correct |
5 |
Correct |
44 ms |
6860 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
21 ms |
1628 KB |
Output is correct |
2 |
Correct |
20 ms |
1628 KB |
Output is correct |
3 |
Correct |
18 ms |
1624 KB |
Output is correct |
4 |
Correct |
14 ms |
2008 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
10 ms |
2008 KB |
Output is correct |
7 |
Correct |
16 ms |
1672 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
33 ms |
2904 KB |
Output is correct |
2 |
Correct |
33 ms |
2884 KB |
Output is correct |
3 |
Correct |
69 ms |
5452 KB |
Output is correct |
4 |
Correct |
45 ms |
6968 KB |
Output is correct |
5 |
Correct |
23 ms |
3500 KB |
Output is correct |
6 |
Correct |
41 ms |
6852 KB |
Output is correct |
7 |
Correct |
53 ms |
7364 KB |
Output is correct |
8 |
Correct |
32 ms |
2904 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
412 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 |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 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 |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 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 |
604 KB |
Output is correct |
17 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
73 ms |
5448 KB |
Output is correct |
28 |
Correct |
72 ms |
5456 KB |
Output is correct |
29 |
Correct |
78 ms |
5460 KB |
Output is correct |
30 |
Correct |
71 ms |
5308 KB |
Output is correct |
31 |
Correct |
44 ms |
6860 KB |
Output is correct |
32 |
Correct |
21 ms |
1628 KB |
Output is correct |
33 |
Correct |
20 ms |
1628 KB |
Output is correct |
34 |
Correct |
18 ms |
1624 KB |
Output is correct |
35 |
Correct |
14 ms |
2008 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Correct |
10 ms |
2008 KB |
Output is correct |
38 |
Correct |
16 ms |
1672 KB |
Output is correct |
39 |
Correct |
33 ms |
2904 KB |
Output is correct |
40 |
Correct |
33 ms |
2884 KB |
Output is correct |
41 |
Correct |
69 ms |
5452 KB |
Output is correct |
42 |
Correct |
45 ms |
6968 KB |
Output is correct |
43 |
Correct |
23 ms |
3500 KB |
Output is correct |
44 |
Correct |
41 ms |
6852 KB |
Output is correct |
45 |
Correct |
53 ms |
7364 KB |
Output is correct |
46 |
Correct |
32 ms |
2904 KB |
Output is correct |
47 |
Correct |
35 ms |
2900 KB |
Output is correct |
48 |
Correct |
36 ms |
2900 KB |
Output is correct |
49 |
Correct |
71 ms |
5460 KB |
Output is correct |
50 |
Correct |
51 ms |
7008 KB |
Output is correct |
51 |
Correct |
48 ms |
5832 KB |
Output is correct |
52 |
Correct |
46 ms |
7112 KB |
Output is correct |
53 |
Correct |
42 ms |
7112 KB |
Output is correct |
54 |
Correct |
59 ms |
7668 KB |
Output is correct |
55 |
Correct |
73 ms |
5460 KB |
Output is correct |