Linked Questions
25 questions linked to/from Tips for golfing in sed
523
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"Hello, World!"
So... uh... this is a bit embarrassing. But we don't have a plain "Hello, World!" challenge yet (despite having 35 variants tagged with hello-world, and counting). While this is not the most ...
200
votes
426
answers
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1, 2, Fizz, 4, Buzz
Introduction
In our recent effort to collect catalogues of shortest solutions for standard programming exercises, here is PPCG's first ever vanilla FizzBuzz challenge. If you wish to see other ...
80
votes
78
answers
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views
Call a method without calling it [closed]
Inspired by a now deleted StackOverflow question. Can you come up with a way to get a particular method executed, without explicitly calling it? The more indirect it is, the better.
Here's what I ...
56
votes
93
answers
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Output Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo
Challenge
The goal is to output Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo.
Context. (Maybe another interesting challenge could be printing all ...
28
votes
98
answers
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Reciprocal of a number (1/x)
Challenge
Given a (floating-point/decimal) number, return its reciprocal, i.e. 1 divided by the number. The output must be a floating-point/decimal number, not just an integer.
Detailed ...
41
votes
75
answers
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views
What's my middle name?
Note: The winning answer will be selected on 4/12/17 the current winner is Jolf, 1 byte.
I'm surprised that we haven't had a what's my middle name challenge on this site yet. I did alot of searching ...
62
votes
48
answers
7k
views
Are the brackets fully matched?
You must write a program or function that takes a string of brackets and outputs whether or not that string is fully matched. Your program should print a truthy or falsy value, and IO can be in any ...
25
votes
90
answers
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Swapping "Good" and "Bad"
Challenge Description:
Write a program that asks the user for input. The user will enter Good or Bad. You do not have to ...
27
votes
75
answers
7k
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Minimum excluded number
This is intended to be an easy, bite-size code-golf.
The mex (minimal excluded number) of a finite collection of numbers is the smallest non-negative integer ...
31
votes
55
answers
4k
views
All together now
Given a list of digits 1 through 9, output whether each digit is grouped together as a single contiguous block. In other words, no two of the same digit are separated by different digits. It's OK if a ...
23
votes
70
answers
3k
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Check if an array (or equivalent) has the same number of odd and even numbers - Code Golf Edition!
Inspired by this code review question, I am curious to see what happens if we turn that into a code-golf challenge!
The description is easy, the input is an array or any similar data structure with ...
70
votes
24
answers
8k
views
Crack the bank account's password!
Introduction
In order to prevent keyloggers from stealing a user's password, a certain bank account system has implemented the following security measure: only certain digits are prompted to be ...
46
votes
35
answers
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Draw a bowling formation
Your goal is to display ASCII art of a formation in ten-pin bowling where only some of the pins remain. Fewest bytes wins.
The tens pins are in a triangular formation:
...
42
votes
18
answers
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Garlandification
Garland Words
A garland word is a word which can be strung together like a garland, because it ends with the same letters it starts with. These groups of letters can even overlap!
For example, <...
38
votes
26
answers
3k
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ASCII clock with dot & comma time markers
Introduction
Imagine that line of chars is in fact two rows. Upper row - dots - represents hours (24 hour system), while lower - commas - represents minutes. One character can represent hour, minute ...