제출 #1105035

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1105035		m5588ohammed	학생 (COCI14_studentsko)	C++14	0 / 100	67 ms	65536 KiB

studentsko

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define mod 1000000007
int n,k;
int arr[5002],ARR[5002],dp[5002][5002];
map <int,int> indx;
int solve(int i,int j){
    if(i==n+1) return 0;
    if(dp[i][j]!=-1) return dp[i][j];
    if(arr[i]<arr[j]) return dp[i][j]=solve(i+1,j)+1;
    else{
        return dp[i][j]=min(solve(i+1,i),solve(i+1,j)+1);
    }
}
void build1(){
    cin>>n>>k;
    memset(dp,-1,sizeof dp);
    for(int i=1;i<=n;i++){
        cin>>arr[i];
        ARR[i]=arr[i];
        indx[arr[i]]=i;
    }
    sort(ARR+1,ARR+n+1);
    for(int i=1;i<=n;i++) arr[indx[ARR[i]]]=(int)ceil((double)i/k);

    return;
}
signed main()
{

    build1();
    cout<<solve(1,0);
    return 0;
}

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