제출 #720679

#제출 시각아이디문제언어결과실행 시간메모리
720679Yell0학생 (COCI14_studentsko)C++17
100 / 100
2 ms376 KiB
#include <bits/stdc++.h> using namespace std; const int MN=5002; typedef pair<int,int> pii; int N,K,grp[MN]; pii a[MN]; vector<int> dp; int main() { ios::sync_with_stdio(0);cin.tie(0); cin>>N>>K; for(int i=0;i<N;i++) { cin>>a[i].first; a[i].second=i; } sort(a,a+N); for(int i=0;i<N;i++) grp[a[i].second]=i/K; for(int i=0;i<N;i++) { if(dp.empty()||grp[i]>=dp.back()) dp.push_back(grp[i]); else *(upper_bound(dp.begin(),dp.end(),grp[i]))=grp[i]; } cout<<N-(int)dp.size()<<'\n'; return 0; }
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