제출 #442636

#제출 시각아이디문제언어결과실행 시간메모리
442636s_jaskaran_sRabbit Carrot (LMIO19_triusis)C++17
100 / 100
39 ms5320 KiB
#include <bits/stdc++.h> typedef long long ll; typedef long double ld; using namespace std; int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); int n,m; cin>>n>>m; ll a[n]; for(int i=0;i<n;i++){ cin>>a[i]; a[i]=m*(i+1)-a[i]; } vector<ll> d(n+1,1000000000000000001); d[0]=0; int ans=0; for(int i=0;i<n;i++){ if(a[i]>=0){ int j=upper_bound(d.begin(),d.end(),a[i])-d.begin(); if(d[j-1]<=a[i]&&a[i]<=d[j]){ d[j]=a[i]; ans=max(j,ans); } } } cout<<n-ans; }
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