Submission #714556

#TimeUsernameProblemLanguageResultExecution timeMemory
714556amirhoseinfar1385Kitchen (BOI19_kitchen)C++17
100 / 100
60 ms1100 KiB
#include<bits/stdc++.h>
using namespace std;
const int maxn=300+10;
int dp[maxn*maxn],fake[maxn*maxn],inf=1e9+5;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);	
	for(int i=0;i<maxn*maxn;i++){
		dp[i]=-inf;
	}
	int n,m,k;
	cin>>n>>m>>k;
	vector<int>alln(n),allm(m);
	int f=0;
	int sumn=0;
	for(int i=0;i<n;i++){
		cin>>alln[i];
		if(alln[i]<k){
			f=1;
		}
		sumn+=alln[i];
	}
	int summ=0,mainsumm=0;
	for(int i=0;i<m;i++){
		cin>>allm[i];
		summ+=min(allm[i],n);
		mainsumm+=allm[i];
	}
	if(f==1||summ<n*k||mainsumm<sumn){
		cout<<"Impossible\n";
		return 0;
	}
	int res=inf;
	dp[0]=0;
	for(int i=0;i<m;i++){
		for(int j=0;j<maxn*maxn;j++){
			fake[j]=dp[j];
			dp[j]=-inf;
		}
		for(int j=0;j<maxn*maxn;j++){
			if(j<allm[i]){
				dp[j]=fake[j];
				continue;
			}
			dp[j]=max(fake[j],fake[j-allm[i]]+min(n,allm[i]));
		}
	}
	//cout<<dp[4]<<" "<<dp[7]<<" "<<dp[3]<<"\n";
	for(int i=0;i<maxn*maxn;i++){
		if(i>=sumn&&dp[i]>=n*k){
			res=min(res,i-sumn);
		}
	}
	cout<<res<<"\n";
}
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