You are viewing a single comment's thread. Return to all comments →
is "&& root!=null" necessary in "while(!stack.isEmpty() && root!=null){" ?
Seems like cookies are disabled on this browser, please enable them to open this website
Tree: Postorder Traversal
You are viewing a single comment's thread. Return to all comments →
is "&& root!=null" necessary in "while(!stack.isEmpty() && root!=null){" ?