Card Trick Without the Trick
5 min read This is a card trick without the trick. there is no sleight of hand, no tricks up my sleeve, no […] Read article
Algorithms, Bit Manipulation, Brain Teasers, Logic Puzzles, Math Problems, System Design
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// logic-puzzles
Logic Puzzles
Classic logic puzzles that challenge your reasoning abilities and creative thinking.
Logic Puzzles
Pirates Revisited
3 min read A slightly different version of the original pirates problem (read that one first to get all the rules). 6 pirates, Read article
Brain Teasers, Data Structures, Logic Puzzles
Dave’s on Fire
3 min read dave winer is stuck on a deserted island, with lots of trees, which is very thin and ten miles long Read article
Logic Puzzles
Easy River Crossing
3 min read Three cannibals and three anthropologists have to cross a river. the boat they have is only big enough for two Read article
Bit Manipulation, Logic Puzzles
Hard River Crossing
3 min read a disfunctional family has to cross the river. on one side of the river are a mom and 2 daughters, Read article
Data Structures, Logic Puzzles, String Manipulation
Classic Weighing
7 min read this is a classic problem which i have heard many times before. this is the “harder” of the two problems, Read article
Logic Puzzles, Math Problems
Monty Hall Problem
4 min read Another well known problem in probability is the Monty Hall problem. You are presented with three doors (door 1, door Read article
Logic Puzzles
Screwy Pirates
3 min read A. first i would just like to say i am so glad jenna got voted off survivor. yuck, i couldn’t Read article
Logic Puzzles
More Hat Puzzles
3 min read I buried four fishermen up to their necks in the sand on the beach at low tide for keeping their Read article
Logic Puzzles
Coin on a Table
2 min read You die and the devil says he’ll let you go to heaven if you beat him in a game. the Read article
Algorithms, Logic Puzzles, Math Problems
Heaven
2 min read A person dies, and arrives at the gate to heaven. there are three doors. one of them leads to heaven. Read article
Brain Teasers, Logic Puzzles
Flipping Coins
2 min read Someone walks into your room and dumps a huge bag of quarters all over the floor. They spread them out Read article
Logic Puzzles
Pennies
2 min read I challenge you to a game. we each get one penny and we flip them at the same time. (so Read article
Algorithms, Logic Puzzles, Math Problems
Coin Rolls
4 min read Every night, I dump all the change in my pocket into a big bucket. When I buy things, I never Read article
Brain Teasers, Logic Puzzles
Painfully Easy
2 min read I flip a penny and a dime and hide the result from you. “one of the coins came up heads”, Read article
