Cod sursa(job #585612)

Utilizator cosmin79Carabet Cosmin Andrei cosmin79 Data 30 aprilie 2011 10:17:54
Problema Fabrica Scor 10
Compilator cpp Status done
Runda Algoritmiada 2011, Runda Finală, Clasele 10-12 Marime 1.63 kb
#include <stdio.h>
#include <set>
#include <vector>
#include <algorithm>
#define LMAX 50005
#define NMAX 100005
#define ll long long
#define pii pair <int,int>
#define pb push_back
#define mp make_pair
#define f first
#define s second
using namespace std;
int n,m,val,A[LMAX],B[LMAX],rez1;
set <pii> S;
int C[NMAX];
void read()
{
	scanf("%d%d%d",&val,&n,&m);
	int i;
	for (i=1; i<=n; i++)
		scanf("%d",&A[i]);
	for (i=1; i<=m; i++)
		scanf("%d",&B[i]);
}
void search()
{
	int i,poz;
	for (i=1; i<=n; i++)
		S.insert(mp(A[i],i));
	for (i=1; i<=val; i++)
	{
		rez1=(*S.begin()).f; poz=(*S.begin()).s;
		C[i]=rez1;
		S.erase(S.begin());
		S.insert(mp(rez1+A[poz],poz));
	}
}
inline int ok(int x)
{
	int i,v,poz,value;
	S.clear();
	set <pii> :: iterator it;
	for (i=1; i<=m; i++)
		S.insert(mp(B[i],i));
	for (i=1; i<=val; i++)
	{
		if (x-C[i]<0)
			return 0;
		value=x-C[i];
		it=S.lower_bound(mp(value,0));
		if (it!=S.end())
		{
			if ((*it).f<=value)
			{
				value=(*it).f; poz=(*it).s;
				S.erase(it);
				S.insert(mp(value+B[poz],poz));
				continue ;
			}
		}
		if (it==S.begin())
			return 0;
		it--;
		if ((*it).f<=value)
		{
			value=(*it).f; poz=(*it).s;
			S.erase(it);
			S.insert(mp(value+B[poz],poz));
			continue ;
		}
		else
			return 0;
	}
	return 1;
}
inline int cb()
{
	int i,step=(1<<30);
	for (i=0; step; step>>=1)
		if (!ok(i+step))
			i+=step;
	return ++i;
}
int main()
{
	freopen("fabrica.in","r",stdin);
	freopen("fabrica.out","w",stdout);
	read();
	sort(A+1,A+n+1);
	sort(B+1,B+m+1);
	search();
	printf("%d ",rez1);
	printf("%d\n",cb());
	return 0;
}