Linked Questions

24
votes
23answers
4k views

How many times will a bell tower ring?

Introduction A bell tower will ring its bells every hour, n times, with n being the the current hour on a 12 hour clock. For ...
4
votes
13answers
2k views

0.0000000000000000001

Notice the pattern in the below sequence: 0.1, 0.01, 0.001, 0.0001, 0.00001 and so on, until reaching 0.{one hundred zeros}1 Then, continued: ...
82
votes
25answers
7k views

Bake a slice of Pi

Write a program or function that prints or outputs this exact text (consisting of 142 characters): ...
55
votes
139answers
9k views

Print all integers

Write a program or function which will provably print all integers exactly once given infinite time and memory. Possible outputs could be: ...
30
votes
18answers
11k views

Draw an Empty Scrabble Board

A standard Scrabble board is a 15×15 grid of spaces to place letter tiles. Most of the spaces are blank but some are double word scores (pink), triple word scores (red), double letter scores (...
74
votes
183answers
19k views

The Letter A without A

Your task is to display the letter "A" alone, without anything else, except any form of trailing newlines if you cannot avoid them, doing so in a program and/or snippet. Code that returns (instead of ...
29
votes
65answers
3k views

A square of text

The Challenge Given a string, output the text in the shape of a square. You can assume that the text will always fit in a square, and that it will never be an empty string. You can also assume it ...
92
votes
284answers
23k views

Print a 10 by 10 grid of asterisks

Background This is a standard textbook example to demonstrate for loops. This is one of the first programs I learned when I started learning programming ~10 years ago. Task You are to print this ...
45
votes
11answers
2k views

Run Stackylogic

Stackylogic is a logic-based programming language I made up that take in 0's and 1's for input and outputs a single ...
47
votes
195answers
14k views

Add two numbers

Input: Two integers. Preferably decimal integers, but other forms of numbers can be used. These can be given to the code in standard input, as arguments to the program or function, or as a list. ...
64
votes
84answers
13k views

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

For example, the gate A and B is a logic gate with 2 inputs and 1 output. There are exactly 16 of them, because: each logic gate takes two inputs, which can be ...
19
votes
13answers
659 views

Tips for golfing in dc

What general tips do you have for golfing in dc? dc is a calculator utility for UNIX/Linux that predates the C language. I am interested in how to make my dc programs (calculations?) shorter. I'm ...
30
votes
24answers
3k views

Palindromizing the strings

Introduction For the ones who don't know, a palindrome is when a string is equal to the string backwards (with exception to interpunction, spaces, etc.). An example of a palindrome is: ...
19
votes
7answers
952 views

Hilbert-Curvify a Matrix

Inspired by this question Another way to unroll a 2D image into a 1D string is to use an Hilbert Curve. There are many version of this curve, depending on the number of iterations used while ...
7
votes
12answers
258 views

Tips for golfing in Factor

What general tips do you have for golfing in Factor? I'm looking for ideas that can be applied to code golf problems in general that are at least somewhat specific to Factor (e.g. "remove comments" is ...

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