| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1354167 | AtinaR | Rabbit Carrot (LMIO19_triusis) | C++20 | 45 ms | 3508 KiB |
#include <bits/stdc++.h>
using namespace std;
const int MAX=2*1e5+10;
const int INF=(1<<30);
int n,m;
int arr[MAX];
int main()
{
cin>>n>>m;
vector<int> v;
for(int i=0; i<n; i++)
{
cin>>arr[i];
int tmp=arr[i]-(i+1)*m;
if(tmp<=0)v.push_back(tmp);
}
if(v.empty())
{
cout<<n<<endl;
return 0;
}
int mxx=0;
vector<int> lis;
for(auto x:v)
{
x=-x;
auto it=upper_bound(lis.begin(),lis.end(),x);
if(it==lis.end())lis.push_back(x);
else *it=x;
}
cout<<n-lis.size()<<endl;
return 0;
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