Orbs
You have two identical crystal orbs. you need to figure out how high an orb can fall from a 100 […]
Coding Interview Questions
Arrays
World Series
You have $10,000 dollars to place a double-or-nothing bet on the Yankees in the World Series (max 7 games, series
Math Problems, Recursion
100 Factorial
how many trailing zeroes are there in 100! (100 factorial)? Solution One per factor of 10, and one per factor
Math Problems, System Design
Oil Mogul
You are an oil mogul considering the purchase of drilling rights to an as yet unexplored tract of land. The
Bit Manipulation
Vienna
It’s the middle ages, you’re travelling across europe and you want to find the way to vienna. you come to
Math Problems
Duel
You find yourself in a duel with two other gunmen. you shoot with 33% accuracy, and the other two shoot
Arrays
Box ‘o Numbers
Arrange the numbers 1 to 8 in the grid below such that adjacent numbers are not in adjacent boxes (horizontally,
Brain Teasers, Logic Puzzles
Coin Problem
some of you may have easily solved the pill weighing problem posed here. If so, you are going to love
Coding Interview Questions
Moving Circles
Solution You may be able to find the solution on the discussion forum.
Coding Interview Questions
Black Dots
Solution You may be able to find the solution on the discussion forum.
Brain Teasers, Dynamic Programming
X Implies Y
Part I (you can’t use paper, you have to figure it out in your head) i have a black triangle,
Bit Manipulation
XOR using NAND gates
Create an XOR gate using only NAND gates. (BTW, mostly all circuit problems assume you have two inputs plus 0