#include <bits/stdc++.h>
#define ll long long
#define MAXN 200010
using namespace std;
ll t[MAXN],lis[MAXN];
int main()
{
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
ll n,x,ans=0;
cin >> n >> x;
for (ll i=1;i<=n;i++)
cin >> t[i];
vector<ll> v;
for (ll i=1;i<=n;i++)
{
auto it=lower_bound(v.begin(),v.end(),t[i]);
if (it==v.end())
{
v.push_back(t[i]);
lis[i]=v.size();
}
else
{
lis[i]=it-v.begin()+1;
v[it-v.begin()]=t[i];
}
}
v.clear();
for (ll i=n;i>0;i--)
{
auto it=lower_bound(v.begin(),v.end(),-t[i]);
ans=max(ans,lis[i]+(it-v.begin()));
t[i]+=x;
it=lower_bound(v.begin(),v.end(),-t[i]);
if (it==v.end())
v.push_back(-t[i]);
else
v[it-v.begin()]=-t[i];
}
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2648 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2392 KB |
Output is correct |
6 |
Correct |
1 ms |
2392 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2392 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2648 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2392 KB |
Output is correct |
6 |
Correct |
1 ms |
2392 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2392 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2392 KB |
Output is correct |
13 |
Correct |
1 ms |
2516 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 |
0 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2648 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2392 KB |
Output is correct |
6 |
Correct |
1 ms |
2392 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2392 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2392 KB |
Output is correct |
13 |
Correct |
1 ms |
2516 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 |
0 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2392 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 |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
44 ms |
5288 KB |
Output is correct |
2 |
Correct |
47 ms |
5292 KB |
Output is correct |
3 |
Correct |
44 ms |
5464 KB |
Output is correct |
4 |
Correct |
43 ms |
5428 KB |
Output is correct |
5 |
Correct |
22 ms |
5820 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
3164 KB |
Output is correct |
2 |
Correct |
10 ms |
3164 KB |
Output is correct |
3 |
Correct |
10 ms |
3164 KB |
Output is correct |
4 |
Correct |
7 ms |
3292 KB |
Output is correct |
5 |
Correct |
1 ms |
2392 KB |
Output is correct |
6 |
Correct |
6 ms |
3296 KB |
Output is correct |
7 |
Correct |
8 ms |
3188 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
18 ms |
3672 KB |
Output is correct |
2 |
Correct |
18 ms |
3676 KB |
Output is correct |
3 |
Correct |
36 ms |
5504 KB |
Output is correct |
4 |
Correct |
21 ms |
5852 KB |
Output is correct |
5 |
Correct |
12 ms |
4036 KB |
Output is correct |
6 |
Correct |
18 ms |
5852 KB |
Output is correct |
7 |
Correct |
22 ms |
6412 KB |
Output is correct |
8 |
Correct |
15 ms |
3672 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2648 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2392 KB |
Output is correct |
6 |
Correct |
1 ms |
2392 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2392 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2392 KB |
Output is correct |
13 |
Correct |
1 ms |
2516 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 |
0 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2392 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 |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
27 |
Correct |
44 ms |
5288 KB |
Output is correct |
28 |
Correct |
47 ms |
5292 KB |
Output is correct |
29 |
Correct |
44 ms |
5464 KB |
Output is correct |
30 |
Correct |
43 ms |
5428 KB |
Output is correct |
31 |
Correct |
22 ms |
5820 KB |
Output is correct |
32 |
Correct |
10 ms |
3164 KB |
Output is correct |
33 |
Correct |
10 ms |
3164 KB |
Output is correct |
34 |
Correct |
10 ms |
3164 KB |
Output is correct |
35 |
Correct |
7 ms |
3292 KB |
Output is correct |
36 |
Correct |
1 ms |
2392 KB |
Output is correct |
37 |
Correct |
6 ms |
3296 KB |
Output is correct |
38 |
Correct |
8 ms |
3188 KB |
Output is correct |
39 |
Correct |
18 ms |
3672 KB |
Output is correct |
40 |
Correct |
18 ms |
3676 KB |
Output is correct |
41 |
Correct |
36 ms |
5504 KB |
Output is correct |
42 |
Correct |
21 ms |
5852 KB |
Output is correct |
43 |
Correct |
12 ms |
4036 KB |
Output is correct |
44 |
Correct |
18 ms |
5852 KB |
Output is correct |
45 |
Correct |
22 ms |
6412 KB |
Output is correct |
46 |
Correct |
15 ms |
3672 KB |
Output is correct |
47 |
Correct |
22 ms |
3784 KB |
Output is correct |
48 |
Correct |
21 ms |
3672 KB |
Output is correct |
49 |
Correct |
47 ms |
5304 KB |
Output is correct |
50 |
Correct |
21 ms |
5892 KB |
Output is correct |
51 |
Correct |
20 ms |
5080 KB |
Output is correct |
52 |
Correct |
24 ms |
5852 KB |
Output is correct |
53 |
Correct |
19 ms |
5824 KB |
Output is correct |
54 |
Correct |
23 ms |
6592 KB |
Output is correct |
55 |
Correct |
34 ms |
5516 KB |
Output is correct |