Tree In-Order Traversal to Next Node

Given a node in a binary tree, implement the algorithm for finding its next in-order node in the containing tree.

1,454 views

Fibonacci Series Dynamic Programming

Return the Nth element of the Fibonacci series (1, 1, 2, 3, 5, 8, 13, 21, ...) efficiently without using any FOR or WHILE loops.

1,451 views

Calculate your Social Graph Klout Score

Write the algorithm that LinkedIn.com uses to tell you how many professionals you have access to.

1,516 views

Extreme Recursion with Binary Tree Topologies

How many binary tree topologies are possible given n nodes?

1,778 views

First Job Ever

The first job is a chicken and egg problem. How can I get the first job that gives me experience, when the first job itself needs experience?

12,965 views