All Questions
6 questions
2votes
1answer
373views
Sum of all Paths in Binary Tree
Problem For the given binary tree return the list which has sum of every paths in a tree. i.e Every path from root to leaf. I've written following solution. ...
2votes
1answer
2kviews
Binary Search Tree Implementation in Java
Looking for critiques on my BST implementation, particularly to check if I'm building the common operational methods and traversal algorithms properly. Code has been lightly tested, and I've tried to ...
5votes
4answers
5kviews
Path sum in binary tree
Root to leaf path sum equal to a given number Given a binary tree and a number, return true if the tree has a root-to-leaf path such that adding up all the values along the path equals the given ...
6votes
5answers
11kviews
DFS in Binary Tree
I have written this code for DFS in a binary tree and would like improvements on it. ...
1vote
2answers
7kviews
DFS on a binary tree: marking nodes as visited
I wanted to write depth first search reversal iteratively in Java. Can someone review my code? I'm not that much interested in naming of the variables, but in the structure of the code, i.e. I don't ...
6votes
3answers
2kviews
Missing level of technical depth (Flatten Tree)
I recently have given a coding test in a reputable IT company. There were three coding questions. They refused me by saying that as we felt they didn't demonstrate the level of technical depth we'...