제출 #255576

#제출 시각아이디문제언어결과실행 시간메모리
255576MarkoesRabbit Carrot (LMIO19_triusis)C++14
100 / 100
42 ms3832 KiB
#include<bits/stdc++.h> using namespace std; int n,m,a[200005],lis[200005],maks=1; int main(){ ios_base::sync_with_stdio(NULL); cin.tie(0);cout.tie(0); cin>>n>>m; for(int i=1;i<=n;i++){ cin>>a[i]; a[i] = m*i-a[i]; //cout<<a[i]<<' '; } //cout<<endl; a[0] = 0; lis[1] = 0; for(int i=2;i<=n;i++){ lis[i] = 1e9+5; } for(int i=1;i<=n;i++){ if(a[i]<0) continue; int it = upper_bound(lis+1,lis+n+1,a[i]) - lis; //cout<<it<<endl; if(lis[it] > a[i]){ lis[it] = a[i]; } maks = max(it,maks); } cout<<n-maks+1<<endl; }
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