Print a binary tree in a pretty way

Question

Just wondering if I can get some tips on printing a pretty binary tree in the form of:

5
     10
          11
          7
               6
     3
          4         


        

Answer 1

If your only need is to visualize your tree, a better method would be to output it into a dot format and draw it with grapviz.

You can look at dot guide for more information abt syntax etc