#include<bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define in insert
#define er erase
#define pb push_back
#define ppb pop_back()
#define ph push
#define pp pop()
#define d3 ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define cans cout << ans << "\n";
#define yes cout << "Yes" << "\n";
#define no cout << "No" << "\n";
#define pll pair<ll,ll>
#define lin cout << "\n";
#define sqr 340
#define mod 1000000007
using namespace std;
int main()
{
d3
ll n , d;
cin >> n >> d;
ll a[n];
for(int i = 0 ; n>i ; i++)
cin >> a[i];
if(d==1)
{
ll mx = 0;
ll ans = 0;
for(int i = 0 ; n>i ; i++)
{
if(a[i]>mx)
ans++;
mx=max(mx,a[i]);
}
cans
return 0;
}
if(d==n)
{
vector<ll> ans;
for(int i = 0 ; n>i ; i++)
{
auto it = lower_bound(ans.begin(),ans.end(),a[i]);
if(it==ans.end())
ans.pb(a[i]);
else
*it = a[i];
}
cout << ans.size();
return 0;
}
ll ans[n];
ans[0]=1;
for(int i = 1 ; n>i ; i++)
{
ll mx = 0;
ll j = i-d;
if(j<0)
j=0;
ll h = i-1;
while(h>=j)
{
if(a[h]<a[i])
mx=max(mx,ans[h]);
if(a[h]<a[i])
j=h-d;
if(j<0)
j=0;
h--;
}
ans[i]=mx+1;
}
ll mx = 0;
for(int i = 0 ; n>i ; i++)
mx=max(mx,ans[i]);
cout << mx;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
23 ms |
2648 KB |
Output is correct |
2 |
Incorrect |
22 ms |
2652 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
30 ms |
2904 KB |
Output is correct |
2 |
Correct |
36 ms |
5468 KB |
Output is correct |
3 |
Correct |
38 ms |
5592 KB |
Output is correct |
4 |
Correct |
39 ms |
5464 KB |
Output is correct |
5 |
Correct |
42 ms |
6876 KB |
Output is correct |
6 |
Correct |
38 ms |
5712 KB |
Output is correct |
7 |
Correct |
34 ms |
9800 KB |
Output is correct |
8 |
Correct |
23 ms |
5724 KB |
Output is correct |
9 |
Correct |
32 ms |
6812 KB |
Output is correct |
10 |
Correct |
36 ms |
5720 KB |
Output is correct |
11 |
Correct |
38 ms |
5456 KB |
Output is correct |
12 |
Correct |
26 ms |
5596 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |