Cod sursa(job #875508)

Utilizator avramavram andrei marius avram Data 10 februarie 2013 12:13:41
Problema Loto Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.06 kb
#include<stdio.h>
#include<algorithm>
using namespace std;
int n,i,i1,i2,i3,sum,S,v[1000],p,u,aux,m,k;
struct qq
{
	int a;
	int b;
	int c;
	int s;
};
qq elem[1000001];
int cmp(const qq &x,const qq &y)
{
	if(x.s<y.s)
		return 1;
	else
		return 0;
}

int main()
{
	freopen("loto.in","r",stdin);
	freopen("loto.out","w",stdout);
	scanf("%d%d",&n,&sum);
	for(i=1;i<=n;i++)
		scanf("%d",&v[i]);
	for(i=1;i<=n;i++)
		for(i1=1;i1<=n;i1++)
			for(i2=1;i2<=n;i2++)
			{
				elem[++k].s=v[i]+v[i1]+v[i2];
				elem[k].a=i;
				elem[k].b=i1;
				elem[k].c=i2;
			}
	sort(elem+1,elem+k+1,cmp);
	for(i=1;i<=n;i++)
		for(i1=1;i1<=n;i1++)
			for(i2=1;i2<=n;i2++)
			{
				S=v[i]+v[i1]+v[i2];
				aux=sum-S;
				p=1;
				u=k;
				while(p<=u)
				{
					m=(p+u)/2;
					if(aux<elem[m].s)
						u=m-1;
					else
						if(aux>elem[m].s)
							p=m+1;
						else 
						{
							printf("%d %d %d %d %d %d",v[i],v[i1],v[i2],v[elem[m].a],v[elem[m].b],v[elem[m].c]);
							return 0;
						}
				}
				
			}
			printf("%d",-1);
			return 0;
}