Submission #958171

#	Time	Username	Problem	Language	Result	Execution time	Memory
958171		ezzzay	Kitchen (BOI19_kitchen)	C++14	100 / 100	36 ms	1072 KiB

kitchen

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define ff first
#define ss second
const int N=309;
int a[N];
int b[N];
int dp[N*N];
signed main(){
    int n,m,k;
    cin>>n>>m>>k;
    int s=0;
    for(int i=1;i<=n;i++){
        cin>>a[i];
        s+=a[i];
    }
    for(int i=1;i<=m;i++)cin>>b[i];
    
    for(int i=1;i<=n;i++){
        if(a[i]<k){
            cout<<"Impossible";
            return 0;
        }
    }
    for(int i=1;i<=m;i++){
        for(int j=90000;j>=b[i];j--){
            if(dp[j-b[i]]>0 or j-b[i]==0){
                dp[j]=max(dp[j],dp[j-b[i]]+min(b[i],n));
            }
        }
    }
    for(int i=s;i<=90000;i++){
        if(dp[i]>=n*k){
            cout<< i-s;
            return 0;
        }
    }
    cout<<"Impossible";
    
}

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