92 questions linked to/from Tips for golfing in <all languages>
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### Offset in split text content

You will be given an ASCII text. This text may have zero, one or many appearances of a split a character (let's assume it will be the space character ) You will ...
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### Congruent Numbers

Definitions: A triangle is considered a right triangle if one of the inner angles is exactly 90 degrees. A number is considered rational if it can be represented by a ratio of integers, i.e., ...
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Introduction: Beckett Grading Service (aka BGS), is a company which encapusulates and grades Trading Card Game (TCG) cards (i.e. sport cards, Magic The Gathering, Pokémon, Yu-Gi-Oh, etc. etc.). The ...
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### There, I fixed it (with rope)

Related: Rather similar (but much easier) challenge horizontally: There I fixed it (with tape) Challenge: Given a string only containing upper- and/or lowercase letters (whichever you prefer) and ...
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### Tips For Golfing In Groovy

As I have seen many questions asking tips for golfing in their interested language, I decided to ask for my favorite language: Groovy. People can give some tips and tricks that will be used in golfing ...
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### Write a Magic Spellchecker

The game Waving Hands is somewhere between a pen-and-paper Magic: the Gathering and a very elaborate Rock Paper Scissors. Each turn you write down one of eight gestures for each hand: wiggled ...
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### Tips for golfing in PARI/GP

PARI/GP is a free computer algebra system. It is designed for (algebraic) number theory, not golfing, but that's part of the attraction. Unsurprisingly, it fares best at mathematical tasks; its ...
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### Decode ascii and reversed words sentence

In a challenge of CodingGame, there is a challenge that ask you to decode a string composed by reversed words ('Hello world' > 'olleH dlrow') then each characters converted into ascii value separeted ...
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This challenge was inspired by Yeah But No But Yeah. maxb´s colleague recently sent him the following piece of JavaScript as a joke: ...
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### Tips for golfing in AWK

What general tips do you have for golfing in AWK? I'm looking for ideas that can be applied to code golf problems in general that are at least somewhat specific to AWK. Please post one tip per answer.
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### Give me the first day of next month

Simple question! Given a string that contains a date in ISO8601 format, print the first of the next month in ISO8601 format. Example inputs: 2018-05-06 ...
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### Counting symmetric grid chains

Notation and definitions Let $[n] = \{1, 2, ..., n\}$ denote the set of the first $n$ positive integers. A polygonal chain is a collection of connected line segments. The corner set of a ...
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### Nested lists as printable 2D objects [closed]

I don't know if something like this exists already (and I'm not finding the right key words) but if not, it felt like it could be an interesting coding puzzle. The challenge is, to take an ...