Cracking coding interview

What You Need To Know

Data Structures	Algorithms	Concepts
Linked Lists	Breadth First Search	Bit Manipulation
Binary Trees	Depth First Search	Singleton Design Pattern
Tries	Binary Search	Factory Design Pattern

Brain Teasers

1. Add arithmetic operators (plus, minus, times, divide) to make the following expression true: 3 1 3 6 = 8. You can use any parentheses you'd like.

References:

1. Gayle Laakmann McDowell, "Cracking the Coding Interview", pp. 26, 60.