Joe Z.

Toronto, Ontario

http://joezeng.com

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Build a working game of Tetris in Conway's Game of Life

code-challenge game cellular-automata game-of-life tetris asked Jun 18 '13 at 3:08

codegolf.stackexchange.com

570 votes

Produce the number 2014 without any numbers in your source code

code-golf restricted-source new-years asked Jan 1 '14 at 4:57

codegolf.stackexchange.com

473 votes

Build a digital clock in Conway's Game of Life

code-challenge game-of-life asked Aug 4 '16 at 19:05

codegolf.stackexchange.com

215 votes

Print every character your program doesn't have

code-golf self-referential asked Aug 23 '13 at 16:04

codegolf.stackexchange.com

70 votes

What's a proof that the angles of a triangle add up to 180°?

geometry triangle asked Jan 3 '13 at 18:18

math.stackexchange.com

54 votes

A camel transporting bananas

math calculation-puzzle optimization asked May 18 '14 at 21:31

puzzling.stackexchange.com

54 votes

Build a fewest-moves freecell solver

code-challenge game ai-player freecell asked Jan 3 '15 at 18:47

codegolf.stackexchange.com

50 votes

Build a random number generator that passes the Diehard tests

code-challenge random test-battery asked Jan 25 '13 at 15:04

codegolf.stackexchange.com

48 votes

Twelve balls and a scale

strategy combinatorics weighing asked May 16 '14 at 22:58

puzzling.stackexchange.com

44 votes

1 2 3 4 5 6 7 8 9 = 100

math calculation-puzzle formation-of-numbers asked Apr 13 '15 at 19:27

puzzling.stackexchange.com

Top Answers

176

Find five positive integers whose reciprocals sum to $1$

math.stackexchange.com

112

“My personal opinion is…” Is it always pointless to use the words “personal” and “personally”?

english.stackexchange.com

What is the number of the parking spot?

puzzling.stackexchange.com

Help!! How to do square root!

codegolf.stackexchange.com

100 Prisoners' Names in Boxes

puzzling.stackexchange.com

Make a scalable Christmas Tree

codegolf.stackexchange.com

Twelve balls and a scale

puzzling.stackexchange.com

The Traveler and the Blood-thirsty Troll

puzzling.stackexchange.com

Hello world! with limited character repetition

codegolf.stackexchange.com

I don't know the two numbers… but now I do

puzzling.stackexchange.com

Which way is the bus going?

puzzling.stackexchange.com

A Cave in the Black Mountains

puzzling.stackexchange.com

Hamlet and the theatre

puzzling.stackexchange.com

End of the world - on a Sunday?

puzzling.stackexchange.com

The Nuclear Missile Standoff

puzzling.stackexchange.com

The 100 dollar bill puzzle

puzzling.stackexchange.com

Determine the algorithm

puzzling.stackexchange.com

Valve graffiti - riddle

puzzling.stackexchange.com

Write a mathematical function whose result is “hello world”

codegolf.stackexchange.com

Golf all the 16 logic gates with 2 inputs and 1 output!

codegolf.stackexchange.com

What's the fewest weights you need to balance any weight from 1 to 40 pounds?

puzzling.stackexchange.com

Temple lake question

puzzling.stackexchange.com

Is there a valid Blokus configuration where all the pieces are on the board?

boardgames.stackexchange.com

Is 'no solution' the same as 'undefined'?

math.stackexchange.com

Magic square using numbers 0,2,3,4,5,6,7,8,10

puzzling.stackexchange.com

How to solve this crazy Chinese puzzle for children?

puzzling.stackexchange.com

Hm… Quick Rebus Time!

puzzling.stackexchange.com

Let's break PolynumCrypt

puzzling.stackexchange.com

A truly amazing way of making the number 2016

puzzling.stackexchange.com

SPEND LESS MONEY alphametic

puzzling.stackexchange.com

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Joe Z.

Build a working game of Tetris in Conway's Game of Life

Produce the number 2014 without any numbers in your source code

Build a digital clock in Conway's Game of Life

Print every character your program doesn't have

What's a proof that the angles of a triangle add up to 180°?

A camel transporting bananas

Build a fewest-moves freecell solver

Build a random number generator that passes the Diehard tests

Twelve balls and a scale

1 2 3 4 5 6 7 8 9 = 100