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Cod sursa(job #932444)
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("loto.in");
ofstream g("loto.out");
int x,a,b,i,j,k,m,n,an,bn,cn,w[200],l,sol,v[1000005];
inline bool CautaBin(int x)
{
int st=1,dr=l,mij;
while(st<=dr)
{
mij=(st+dr)/2;
if(x==v[mij])return true;
else
if(x<v[mij])dr=mij-1;
else st=mij+1;
}
return false;
}
inline void cauta(int x)
{
int i,j,k;
for (i=1; i<=a; i++)
for (j=1; j<=a; j++)
for (k=1; k<=a; k++)
if(x==w[i]+w[j]+w[k]){g<<w[i]<<" "<<w[j]<<" "<<w[k]<<" ";return;}
}
int main()
{
f>>a>>b;
for (i=1;i<=a;++i)
f>>w[i];
for (i=1;i<=a;++i)
for (j=1;j<=a;++j)
for (k=1;k<=a;++k)
v[++l]=w[i]+w[j]+w[k];
sort(v+1,v+l+1);
for (i=1;i<=l;++i)
if(binary_search(v+1,v+l+1,b-v[i]))
{
sol=v[i];
break;
}
if (sol==0)g<<"-1\n";
else
{
x=sol;
for (i=1; i<=a; i++)
for (j=1; j<=a; j++)
for (k=1; k<=a; k++)
if(x==w[i]+w[j]+w[k]){g<<w[i]<<" "<<w[j]<<" "<<w[k]<<" ";i+=a;j+=a;k+=a;}
x=b-sol;
for (i=1; i<=a; i++)
for (j=1; j<=a; j++)
for (k=1; k<=a; k++)
if(x==w[i]+w[j]+w[k]){g<<w[i]<<" "<<w[j]<<" "<<w[k]<<" ";i+=a;j+=a;k+=a;}
g<<'\n';
}
return 0;
}