print all root to leaf path of a binary tree

printpath(a)
{
int path[MaxLength]
printpathrec(a, path, 0)
}

printpathrec(a, path, pathlen)
{
if(!a)
{
for i 1 to pathlen
print path[i]
}

path[pathlen] = a->num

printpathrec(a->left, path, pathlen+1)
printpathrec(a->right, path, pathlen+1)
}