Cod sursa(job #45532)

Utilizator razvannovaZegheanu Razvan - UPB razvannova Data 1 aprilie 2007 17:24:46
Problema Loto Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.9 kb
#include <iostream.h>
#include <fstream.h>
int main()
{
	int p,n,k,i,j,t,x[101];
	long s,ss,a[101];
	ifstream fin("loto.in");
	ofstream fout("loto.out");
	fin>>n>>s;
	for (i=1;i<=n;i++)
		fin>>a[i];
	for (i=1;i<n;i++)
		for (j=i+1;j<=n;j++)
			if (a[i]>a[j])
			{
				t=a[i];
				a[i]=a[j];
				a[j]=t;
			}
	k=1; x[k]=0;
	if (6*a[n]<s && 6*a[1]>s)
	{
		fout<<"-1"<<endl;
		fout.close();
		fin.close();
	}
	while (k>0)
	{
		p=0;
		while (p==0 && x[k]<n)
		{
			x[k]++;
			ss=0;
			for (i=1;i<=k;i++)
				ss=ss+a[x[i]];
			if (ss<=s)
			{
				p=1;
			}
		}
		if (p==0)
		{
			k--;
		}
		else
			if (k==6)
			{
				ss=0;
				for (i=1;i<=k;i++)
					ss=ss+a[x[i]];
				if (ss==s)
				{
					for (i=1;i<=k;i++)
						fout<<a[x[i]]<<" ";
					break;
				}
			}
			else
			{
				k++;
				x[k]=0;
			}
	}
	fout<<endl;
	fout.close();
	fin.close();
	return 0;
}