Skip to content
Swizec Teller - a geek with a hatswizec.com

Fizzbuzz without ifs in 90 char. I will buy you a beer if you can do better.

Yesterday I got nerd sniped into solving the FizzBuzz problem without using if sentences.https://twitter.com/Swizec/status/247344854521245697

Unfortunately, a more careful inspection of the problem specification reveals this solution was incorrect.

Write a program that prints the numbers from 1 to 100. But for multiples of three print "Fizz" instead of the number and for the multiples of five print "Buzz". For numbers which are multiples of both three and five print "FizzBuzz".

Luckily, that's a very simple fix:

# codegolf version (90 characters):
[{0:"fizzbuzz"}.get(x%(3*5),{0:"fizz"}.get(x%3,{0:"buzz"}.get(x%5,x)))for x in range(101)]
# slightly more readable:
[{0: "fizzbuzz"}.get(x%(3*5),
{0: "fizz"}.get(x%3,
{0: "buzz"}.get(x%5, x)))
for x in range(101)]

There you have it, a solution to the fizzbuzz problem that relies on python's interactive command line interpreter thingy to do the printing, so it shave off 4 characters for print.

The "trick", if it can be called that, is relying on the native get method to return the correct string or fall back to the default value, which checks for the next string in the if-then-else chain.

I wish never to see code like that in something I have to maintain. Ever :)

The challenge

Your challenge, should you choose to accept it, is to produce a shorter fizzbuzz solution without using if sentences. I will buy a bottle of beer for the winner.

The best Scala solution so far is 106 characters. https://twitter.com/HairyFotr/status/247362763188477953

No really, I will send a bottle of beer anywhere in the world if you write a shorter solution. Of course, if feasible, I would prefer to take you out for a beer than use snail mail :)

Beer bottles by photos for fun
Beer bottles by photos for fun

Enhanced by Zemanta

Did you enjoy this article?

Published on September 17th, 2012 in Uncategorized

Learned something new?
Want to become a high value JavaScript expert?

Here's how it works 👇

Leave your email and I'll send you an Interactive Modern JavaScript Cheatsheet 📖right away. After that you'll get thoughtfully written emails every week about React, JavaScript, and your career. Lessons learned over my 20 years in the industry working with companies ranging from tiny startups to Fortune5 behemoths.

Start with an interactive cheatsheet 📖

Then get thoughtful letters 💌 on mindsets, tactics, and technical skills for your career.

"Man, love your simple writing! Yours is the only email I open from marketers and only blog that I give a fuck to read & scroll till the end. And wow always take away lessons with me. Inspiring! And very relatable. 👌"

~ Ashish Kumar

Join over 10,000 engineers just like you already improving their careers with my letters, workshops, courses, and talks. ✌️

Have a burning question that you think I can answer? I don't have all of the answers, but I have some! Hit me up on twitter or book a 30min ama for in-depth help.

Ready to Stop copy pasting D3 examples and create data visualizations of your own?  Learn how to build scalable dataviz components your whole team can understand with React for Data Visualization

Curious about Serverless and the modern backend? Check out Serverless Handbook, modern backend for the frontend engineer.

Ready to learn how it all fits together and build a modern webapp from scratch? Learn how to launch a webapp and make your first 💰 on the side with ServerlessReact.Dev

Want to brush up on your modern JavaScript syntax? Check out my interactive cheatsheet: es6cheatsheet.com

By the way, just in case no one has told you it yet today: I love and appreciate you for who you are ❤️