Cod sursa(job #804380)

Utilizator dariusdariusMarian Darius dariusdarius Data 29 octombrie 2012 18:35:25
Problema Loto Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.58 kb
#include<stdio.h>
int u,a[105],sums[1000005],aux[1000005];
bool bs(int val)
{
	int st=1,dr=u,med;
	while(st<=dr)
	{
		med=(st+dr)/2;
		if(sums[med]==val)
			return 1;
		else
			if(sums[med]>val)
				dr=med-1;
			else
				st=med+1;
	}
	return 0;
}
void interclass(int x,int y)
{
	int i,k,med,p1,p2;
	med=(x+y)/2;p1=x;p2=med+1;k=x;
	while(p1<=med && p2<=y)
		if(sums[p1]<sums[p2])
			aux[k++]=sums[p1++];
		else
			aux[k++]=sums[p2++];
	while(p1<=med) aux[k++]=sums[p1++];
	while(p2<=med) aux[k++]=sums[p2++];
	for(i=x;i<=y;i++)
		sums[i]=aux[i];
}
void merge_sort(int i,int j)
{
	int med=(i+j)/2;
	if(i==j) return;
	merge_sort(i,med);
	merge_sort(med+1,j);
	
	interclass(i,j);
}
int main()
{
	freopen("loto.in","r",stdin);
	freopen("loto.out","w",stdout);
	int ok,indice,n,i,j,k,s,p,q,r;
	scanf("%d%d",&n,&s);
	for(i=1;i<=n;i++)
		scanf("%d",&a[i]);
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			for(k=1;k<=n;k++)
				sums[++u]=a[i]+a[j]+a[k];
	merge_sort(1,u);
	for(indice=1;indice<=u;indice++)
		if(bs(s-sums[indice]))
			{
				ok=0;
				for(i=1;i<=n;i++)
					{
					for(j=1;j<=n;j++)
						{
						for(k=1;k<=n;k++)
							if(a[i]+a[j]+a[k]==sums[indice])
							{
								ok=1;
								break;
							}
						if(ok==1)
							break;
						}
					if(ok==1)
						break;
					}
				for(p=1;p<=n;p++)
					for(q=1;q<=n;q++)
						for(r=1;r<=n;r++)
							if(sums[indice]+a[p]+a[q]+a[r]==s)
							{
								printf("%d %d %d %d %d %d\n",a[i],a[j],a[k],a[p],a[q],a[r]);
								return 0;
							}
				}
	printf("-1\n");
	return 0;
}