Tag Archives: puzzles

Five hats puzzle solution

If you haven’t read it yet, read the Five hats puzzle. Recall that the warden has three white hats and two black hats. If the first prisoner, Art, saw two black hats, then he would know that he had a … Continue reading

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Five hats puzzle

This “hats puzzle” was described on December 26, 2016 on NPR’s Car Talk show. Sadly Tommy died in 2014 and the show was a rebroadcast so this puzzler has probably been used before. My book Interview Puzzles Dissected doesn’t include … Continue reading

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Sample Puzzles for Interview Puzzles Dissected

Here are some sample puzzles (in PDF format) from my book Interview Puzzles Dissected. Three Birds – Calculate the total number of miles three birds fly while zigzagging between each other during a trip from New York to Philadelphia. We … Continue reading

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Book Errata Page: Interview Puzzles Dissected

This is the errata page for my book Interview Puzzles Dissected, Solving and Understanding Interview Puzzles. If you find mistakes, please post them here in the Leave a Reply box at the bottom of the page. If you have questions, … Continue reading

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Table of Contents: Interview Puzzles Dissected

This is a brief summary of the book’s table of contents. Introduction Explains some background, how to use interview puzzles to get useful information, and conventions used in the book. Chapter 1: Basic Background Provides some background and general tips … Continue reading

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Book Discussion Page: Interview Puzzles Dissected

This is a discussion page for my book Interview Puzzles Dissected, Solving and Understanding Interview Puzzles. Please post questions, thoughts, and suggestions here in the “Leave a Reply” box at the bottom of the page. I will moderate posts and … Continue reading

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Improve the jigsaw puzzle program in C#

The original jigsaw puzzle program works pretty well, but it takes a little while when you click on a tile and there are a large number of tiles. In that situation, the program spends a second or so building the … Continue reading

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Make a jigsaw puzzle in C#

This example is a game sort of like a jigsaw puzzle. You load a picture, which the program breaks into tiles. You need to put the tiles in their proper positions to rebuild the image. The program draws a grid … Continue reading

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