#include <bits/stdc++.h>
#define taskname "cowjog"
#define maxn 200010
#define ff first
#define ss second
#define int long long
using namespace std;
int n,T;
int a[maxn],dp[maxn];
int ans=0;
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr); cout.tie(nullptr);
// freopen(taskname".in","r",stdin);
// freopen(taskname".out","w",stdout);
cin>>n>>T;
for (int i=1; i<=n; i++)
{
int x; cin>>x;
a[i]=x-i*T; a[i]=-a[i];
}
fill_n(dp,n+1,2*1e18);
dp[0]=-2*1e18;
for (int i=1; i<=n; i++)
{
int j=upper_bound(dp,dp+n+1,a[i])-dp;
ans=max(ans,j);
dp[j]=a[i];
}
cout<<n-ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |