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Cod sursa(job #137005)
# include <stdio.h>
# define nmax 101
# define mmax 1030301
# define FIN "loto.in"
# define FOUT "loto.out"
long n,nr[nmax],s,i,l=0,su[mmax];
long part(long st, long dr)
{
long i=st, j=dr, s=-1,aux;
while (i<j)
{
if (su[i]>su[j])
{
aux=su[i];
su[i]=su[j];
su[j]=aux;
s=-s;
}
if (s==1) i++;
else j--;
}
return i;
}
void qsort(long st, long dr)
{
long p;
if (st<dr)
{
p=part(st,dr);
qsort(st,p-1);
qsort(p+1,dr);
}
}
void afis(long nn)
{
long a,b,c;
for (a=1; a<=n; a++)
for (b=a; b<=n; b++)
for (c=b; c<=n; c++)
if (nr[a]+nr[b]+nr[c]==su[nn])
{
printf("%ld %ld %ld",nr[a],nr[b],nr[c]);
return;
}
}
void solve()
{
long aux,i,k=l;
for (long i=1; i<=l&&k>0; i++)
{
while (su[i]+su[k]>s && k>0) k--;
if (k<=0) break;
if (su[i]+su[k]==s)
{
afis(i);
printf(" ");
afis(k);
return ;
}
}
printf("-1");
}
int main()
{
freopen(FIN,"r",stdin);
freopen(FOUT,"w",stdout);
scanf("%ld %ld",&n,&s);
for (i=1; i<=n; i++)
scanf("%ld",&nr[i]);
for (i=1; i<=n; i++)
for (long j=i; j<=n; j++)
for (long k=j; k<=n; k++)
{
su[++l]=nr[i]+nr[j]+nr[k];
}
qsort(1,l);
solve();
return 0;
}