Webloggers
Five webloggers – joshua Allen, meg Hourihan, jason Kottke, robert Scoble, and joel Spolsky – were competing for karma points […]
Algorithms, Arrays, Dynamic Programming, Google Interview Questions, System Design
Bit Manipulation, Logic Puzzles
Hard River Crossing
a disfunctional family has to cross the river. on one side of the river are a mom and 2 daughters,
Data Structures, Logic Puzzles, String Manipulation
Classic Weighing
this is a classic problem which i have heard many times before. this is the “harder” of the two problems,
Logic Puzzles, Math Problems
Monty Hall Problem
Another well known problem in probability is the Monty Hall problem. You are presented with three doors (door 1, door
String Manipulation
Gold Chain
A man has a gold chain with 7 links. he needs the service of a laborer for 7 days at
Algorithms
Surgeons
A one armed surgeon with a hand wound needs to operate on three patients. the surgeon only has two gloves.
Bit Manipulation, Brain Teasers
Clock
Part I: what is the angle between the minute hand and the hour hand at 3:15 on an analog clock?
Math Problems
Mountain Man
At 6 a.m. a man starts hiking a path up a mountain. he walks at a variable pace, resting occasionally,
Algorithms, Bit Manipulation, Brain Teasers, Data Structures, System Design
Treasure Island
You find an old treasure map in your grandma’s attic. the map shows a cannon, a coconut tree, and a
Logic Puzzles
Screwy Pirates
A. first i would just like to say i am so glad jenna got voted off survivor. yuck, i couldn’t
Math Problems
Ants on a Triangle
There are three ants on a triangle, one at each corner. at a given moment in time, they all set
Brain Teasers
One Mile South
How many places are there on the earth that one could walk one mile south, then one mile east, then
Algorithms, Math Problems, Recursion, String Manipulation
Cube
This is difficult to describe in words, so read this carefully, lest there be any confusion. You have a normal
Logic Puzzles
More Hat Puzzles
I buried four fishermen up to their necks in the sand on the beach at low tide for keeping their
Logic Puzzles
Coin on a Table
You die and the devil says he’ll let you go to heaven if you beat him in a game. the