Submission #718675

#	Time	Username	Problem	Language	Result	Execution time	Memory
718675		AndrijaM	Stove (JOI18_stove)	C++14	20 / 100	1075 ms	14820 KiB

stove

#include <bits/stdc++.h>

using namespace std;

long long n,k;
long long dp[5005][5005];
long long x[5005];

long long f(long long idx,long long p)
{
    if(idx==n+1)return 0;
    if(p==0)return 1e15;
    if(dp[idx][p]!=1e15)
    {
        return dp[idx][p];
    }
    long long rez=1e15;
    for(long long i=idx;i<=n;i++)
    {
        if(p-1>=0)
        {
            rez=min(rez, f(i+1,p-1)+x[i]-x[idx]+1);
        }
    }
    return dp[idx][p]=rez;
}

int main()
{
    ios_base::sync_with_stdio(true);
    cin>>n>>k;
    for(long long i=1;i<=n;i++)
    {
        cin>>x[i];
    }
    for(long long i=0;i<=n;i++)
    {
        for(long long j=0;j<=k;j++)
        {
            dp[i][j]=1e15;
        }
    }
    cout<<f(1,k)<<endl;
    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50