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Cod sursa(job #804362)
#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;
}