제출 #89384

#제출 시각아이디문제언어결과실행 시간메모리
89384alipasha학생 (COCI14_studentsko)C++14
100 / 100
51 ms944 KiB
#include<bits/stdc++.h>

using namespace std;

int test;
int n;
int k;
int dp[5005];
pair<int,int> B[5005];
int A[5005];
int main(){
    cin >> n;
    cin >> k;
    for(int i=0; i<n; i++)
    {
        int v;
        cin >> v;
        B[i]={v,i};
    }
    sort(B,B+n);
    int group=0;
    int cnt=0;
    for(int i=0; i<n; i++)
    {
        A[B[i].second]=group;
        cnt++;
        if(cnt==k)
        {
            cnt=0;
            group++;
        }
    }

    dp[0]=1;
    int maxi;
    int ans=0;
    for(int i=1; i<n; i++)
    {
        maxi=i;
        for(int j=0; j<i; j++)
        {
            if(A[j]<=A[i] && dp[j]>dp[maxi])
            {
                maxi=j;
            }
        }
        dp[i]=dp[maxi]+1;
        ans=max(ans,dp[i]);
    }
    cout << n-ans;
}
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