I can't understand what's wrang? I just build BST and make reverse post order..
Maybe there are some troubles with input?
Please help me. [I'll delete code after receiving some feedback]

[Code deleted]

Edited by author 29.11.2012 21:04

problem was in wrang input:
input values could be in different lines...

i've changed
int[] arr = parseInt(Console.ReadLine().Trim().Split(' '));
to
int[] arr = parseInt(sReader.ReadToEnd().Split(new char[] {' ', '\t', '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries));

and get AC;)

Edited by author 29.11.2012 21:06