Cod sursa(job #804362)

Utilizator dariusdariusMarian Darius dariusdarius Data 29 octombrie 2012 18:12:28
Problema Loto Scor 55
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.04 kb
#include<stdio.h>
#include<vector>
#include<algorithm>
using namespace std;
vector<int> sums;
int a[105];
bool bs(vector<int>::iterator st,vector<int>::iterator dr,int val)
{
	if(st>dr) return 0;
	vector<int>::iterator med;
	med=st+(dr-st)/2;
	if(*med==val) return 1;
	if(*med>val) return bs(st,med-1,val);
	return bs(med+1,dr,val);
}
int main()
{
	freopen("loto.in","r",stdin);
	freopen("loto.out","w",stdout);
	int n,i,j,k,s,p,q,r;
	scanf("%d",&n);scanf("%d",&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.push_back(a[i]+a[j]+a[k]);
	sort(sums.begin(),sums.end());
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			for(k=1;k<=n;k++)
				if(bs(sums.begin(),sums.end()-1,s-a[i]-a[j]-a[k]))
				{
					for(p=1;p<=n;p++)
						for(q=1;q<=n;q++)
							for(r=1;r<=n;r++)
								if(a[i]+a[j]+a[k]+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;
}