Submission #204000

#	Time	Username	Problem	Language	Result	Execution time	Memory
204000		mdn2002	Kitchen (BOI19_kitchen)	C++14	100 / 100	37 ms	716 KiB

kitchen

#include<bits/stdc++.h>
using namespace std;
int n,m,k,a[305],b[305],dp[90005],sum=0;
int main()
{
    cin>>n>>m>>k;
    for(int i=0;i<n;i++)
    {
        cin>>a[i];
        sum+=a[i];
        if(a[i]<k)
        {
            cout<<"Impossible";
            return 0;
        }
    }
    for(int i=0;i<m;i++)cin>>b[i];
    memset(dp,-1,sizeof dp);
    dp[0]=0;
    for(int i=0;i<m;i++)
    {
        for(int j=90005-b[i];j>=0;j--)
        {
            if(dp[j]!=-1)dp[j+b[i]]=max(dp[j]+min(n,b[i]),dp[j+b[i]]);
        }
    }
    int mn=n*k;
    for(int i=sum;i<=90005;i++)
    {
        if(dp[i]>=mn)
        {
            cout<<i-sum;
            return 0;
        }
    }
    cout<<"Impossible"<<endl;
}

• Subtask 1: 9 / 9
• Subtask 2: 22 / 22
• Subtask 3: 20 / 20
• Subtask 4: 21 / 21
• Subtask 5: 28 / 28