| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1132507 | nikolashami | Rabbit Carrot (LMIO19_triusis) | C++20 | 20 ms | 1864 KiB |
#include <bits/stdc++.h>
using namespace std;
const int N=2e5+4,inf=2e9;
int a[N],f[N],n,m;
signed main(){
ios::sync_with_stdio(0);
cin.tie(0);
cin>>n>>m;
for(int i=0;i<n;++i){
cin>>a[i];
a[i]=(i+1)*m-a[i];
}
f[0]=-inf;
fill(f+1,f+n+1,inf);
for(int i=0;i<n;++i){
if(a[i]<0)continue;
int j=upper_bound(f,f+n+1,a[i])-f;
if(f[j-1]<=a[i])f[j]=min(f[j],a[i]);
}
int ans=0;
for(int i=1;i<=n;++i)
if(f[i]<inf)ans=i;
cout<<n-ans;
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