Cod sursa(job #679766)

Utilizator rzvrzvNicolescu Razvan rzvrzv Data 13 februarie 2012 18:20:18
Problema Loto Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.96 kb
#include<fstream>
#include<cstdio>
#include<algorithm>

using namespace std;

int s,n,a[112];
struct loto
{
	int s,x1,x2,x3;
};
loto v[1000005];
bool cmp (loto x,loto y)
{
	return x.s<y.s;
}

int main ()
{
	freopen("loto.in","r",stdin);
	freopen("loto.out","w",stdout);
	scanf("%d %d\n",&n,&s);
	int i,posib=0;
	for (i=0;i<n;i++)
		scanf ("%d",&a[i]);
	int j,k;
	for (i=0; i<n;i++)
		for (j=i;j<n;j++)
			for (k=j;k<n;k++)
			{
				v[posib].s=a[i]+a[j]+a[k];
				v[posib].x1=a[i];
				v[posib].x2=a[j];
				v[posib].x3=a[k];
				posib++;
			}
	sort(v,v+posib,cmp);
	int st,dr,m,suma;
	for (i=0; i<posib; i++)
	{
		st=0;
		dr=posib-1;
		suma=s-v[i].s;
		while (st<=dr)
		{
			m=(st+dr)/2;
			if (v[m].s==suma)
			{
				printf("%d %d %d %d %d %d\n",v[i].x1,v[i].x2,v[i].x3,v[m].x1,v[m].x2,v[m].x3);
				return 0;
			}
			else
				if (v[m].s<suma)
					st=m+1;
				else
					dr=m-1;
		}
	}
	printf ("-1\n");
	return 0;
}