Submission #1220089

#	Time	Username	Problem	Language	Result	Execution time	Memory
1220089		kokoxuya	Kitchen (BOI19_kitchen)	C++20	0 / 100	1096 ms	328 KiB

kitchen

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define mp make_pair
#define pii pair<int,int>
#define ss second
#define ff first
#define piii pair<int,pii>
#define debu(x) (cerr << #x  << " = "<< x << "\n")
#define debu2(x,y) (cerr << #x  << " = "<< x << " " << #y << " = " << y << "\n")
#define debu3(x,y,z) (cerr << #x  << " = "<< x << " " << #y << " = " << y << " " << #z << " = " << z<< "\n")
#define bitout(x,y) {\
	cerr << #x << " : ";\
	for (int justforbits = y; justforbits >=0; justforbits--)cout << (((1 << justforbits) & x)>=1);\
	cout << "\n";\
}
#define rangeout(j,rangestart,rangeend) {\
	cerr << "outputting" << #j<< ":\n";\
	for (int forrang = rangestart; forrang <= rangeend; forrang++)cerr << j[forrang] << " ";\
	cerr<<"\n";\
}
#define c1 {cerr << "Checkpoint 1! \n\n";cerr.flush();}
#define c2 {cerr << "Checkpoint 2! \n\n";cerr.flush();}
#define c3 {cerr << "Checkpoint 3! \n\n";cerr.flush();}
#define c4 {cerr << "Checkpoint 4! \n\n";cerr.flush();}


signed main()
{
    int t1,t2,t3,t4;
    mt19937_64 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
    //ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	
	int n,m,k;cin>>n>>m>>k;
	
	int sum=0;
	for(int a=1;a<=n;a++)
	{
		cin>>t1;
		sum+=t1;
		if(t1<k){cout<<"Impossible";return 0;}
	}
	
	vector<int>nummys(m);
	for(int a=0;a<m;a++)
	{
		cin>>nummys[a];
	}
	
	int bs=1;
	for(int a=1;a<=m;a++)bs*=2;
	bs--;
	
	int ans=LLONG_MAX;
	for(int i=1;i<=bs;i++)
	{
		priority_queue<int>chefs;
		int cs=0;
		for (int ii=0;ii<m;ii++)
		{
			if((1<<ii)&bs)
			{
				chefs.push(nummys[ii]);
				cs+=nummys[ii];
			}
		}
		
		if(cs<sum)continue;
		
		bool troo=true;
		for(int a=1;a<=n;a++)
		{
			if(chefs.size()<k){troo=false;break;}
			vector<int>tbp;
			for(int b=1;b<=k;b++)
			{
				t1=chefs.top()-1;
				chefs.pop();
				tbp.pb(t1);
			}
			for(int x:tbp)
			{
				chefs.push(x);
			}
		}
		if(troo)ans=min(ans,cs-sum);
	}
	
	if(ans==LLONG_MAX)cout<<"Impossible";
	else cout<<ans;
}	

• Subtask 1: 0 / 9
• Subtask 2: 0 / 22
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 28