Questions tagged [conversion]
This tag indicates that the challenge involves converting from one format to another.
80
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Convert 8 Bit brainfuck to 1 bit Brainfuck / Boolfuck
Goal
Input is a Brainfuck program for 8 bit cells, output it for 1 bit cells.
Explanation
We all know Brainfuck, normally it uses 8 bit cells. But there are implementations where a cell is just 1 bit, ...
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7
votes
11
answers
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views
Convert tiers between credit rating system
Related: Sort these bond ratings
Credit rating agencies assign ratings to bonds according to the credit-worthiness of the issuer.
The rating business is mostly controlled by "Big Three" ...
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19
votes
21
answers
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Convert an integer to IEEE 754 float
The task is simple: given a 32 bit integer, convert it to its floating point value as defined by the IEEE 754 (32-bit) standard.
To put it another way, interpret the integer as the bit-pattern of an ...
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votes
38
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Convert superscript numbers to normal numbers
Introduction
My gnome friends are writing a programming language and have asked for my help. Due to their size, the gnomes can only handle small superscript numbers instead of big numbers. However, ...
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8
votes
5
answers
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Average impact of multiple conversion errors
Imagine four people stand in a line. The first looks at a thermometer, and tells the temperature to the person on their right. This continues down the line, until the last person writes the ...
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1
vote
1
answer
161
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Twist on words to numbers [closed]
The Goal
The goal of this question is to put a twist on this question. Your answer should be able to convert an array of words associated with integers into those integers. As an extra challenge, ...
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votes
15
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Convert height to US Men’s Jacket size
In the US, clothing size sometimes has rough designations like M, L, XXL, etc. The US designation of the "men's jacket" category depends on the height of the person. So, in this challenge, ...
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26
votes
57
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Converting Strings to Decimals (Gone Wrong)
What?
Many programming languages, both practical and esoteric, have functions, methods, etc to convert a given string to a decimal number. This is how the process might work:
For each character in ...
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24
votes
9
answers
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Bilibili AV/BV Code Conversion
Background
Bilibili is a China-based video sharing platform, similar to Nico Nico Douga in Japan, and Youtube around the world.
Since the establishment, Bilibili had been using the AV code to ...
- 6,248
5
votes
17
answers
897
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Convert a decimal integer to binary only using arithmetic operators
There are 10 types of people in the world, those who understand binary and those who do not.
Where are you? Let's see!
Challenge
Your task is to convert a decimal integer to binary, only using a ...
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9
votes
1
answer
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Convert Complex Chinese Numbers into Arabic Numbers
Your task is to convert Chinese numerals into Arabic numerals.
A problem similar to Convert Chinese numbers, however, more complex. Also, answers given there mostly don't satisfy all the conditions.
...
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29
votes
39
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Convert a string of digits from words to an integer
Convert a string containing digits as words into an integer, ignoring leading zeros.
Examples
"four two" -> 42.
...
- 411
19
votes
22
answers
5k
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Decode a variable-length quantity
A variable-length quantity (also referred to as VLQ or uintvar) is a way to encode up to a 28 bit integer value using only as many bytes as necessary. This was used ...
- 11.9k
10
votes
17
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Tesco's Burger Relish Best Before End date number
Given a date between 2010-01-01 and 2099-12-31 as three integers (please state your order if not [year,month,day]), answer with Tesco's corresponding five-digit ...
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-1
votes
1
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Morse sudo-ku-de
Hehe, see what I did with the title? Anyways...
Your job is to create a sudoku solver that accepts input in Morse code and creates output in Morse code. Here's the Morse code numbers for reference:
<...
- 2,570
1
vote
0
answers
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Sino-Korean numerals [duplicate]
The Korean language has two sets of numerals, a native Korean numerals and Sino-Korean numerals.
The native Korean numerals are mostly used for numbers under 100, such as age and time.
The Sino-...
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votes
10
answers
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Convert an Excel date code to a "date"
Given a non-negative integer Excel-style date code, return the corresponding "date" in any reasonable form that clearly shows year, month, and "day".
Trivial, you may think. Did you notice the "scare ...
- 30.9k
14
votes
2
answers
869
views
Densely packed decimal (DPD) to decimal, with logic gates
Inspired by recent popularity of nandgame on TNB, and my own previous challenge.
Background
Densely packed decimal (DPD) is a way to efficiently store decimal digits in binary. It stores three ...
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28
votes
12
answers
4k
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Densely packed decimal (DPD) to decimal
For nandgame fans: Please try out DPD to decimal in logic gates too!
Background
Densely packed decimal (DPD) is a way to efficiently store decimal digits in binary. It stores three decimal digits (...
- 78.2k
26
votes
20
answers
2k
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Crown hundred crownty crown
I noticed a certain game had a peculiar life counter, which instead of stopping at 999, gained a new digit – the next number was crown hundred or ...
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41
votes
27
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Count Like a Babylonian
Challenge
Given an ASCII representation of a Babylonian number as input, output the number in Western Arabic numerals.
Babylonian Numeral System
How did the Babylonians count? Interestingly, they ...
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38
votes
6
answers
2k
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COBOL Y2K redux
In the 1990s, COBOL computer engineers worked out a way to extend six-digit date fields by converting them to YYYDDD where YYY ...
user15259
25
votes
12
answers
3k
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Bake me some moji
Given a string, character list, byte stream, sequence… which is both valid UTF-8 and valid Windows-1252 (most languages will probably want to take a normal UTF-8 string), convert it from (that is, ...
- 30.9k
2
votes
1
answer
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Array-of-array string conversion to and from matrix [closed]
Matrix challenges are popular. There's an issue of how to provide test cases. A common method is the row-wise array-of-arrays representation, such as:
...
- 4,314
4
votes
5
answers
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Help me with my chemistry homework!
Near the middle of the semester in chemistry, we get problems like:
Convert 1.283850057 to Scientific Notation
and
Convert 3.583✕106 to Standard Notation
This is just stupid busy work for ...
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18
votes
10
answers
5k
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HSL to RGB values
The main purpose of the RGB (Red Green Blue) color model is for the sensing, representation and display of images in electronic systems, such as televisions and computers
HSL (Hue Saturation Lightness)...
- 344
12
votes
7
answers
29k
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Convert between Music clefs
Before you leave, you do not have to understand much musical notation to do this challenge.
EXPLANATION
In standard sheet music, double clefs go across the page serving as reference points to the ...
- 1,626
10
votes
14
answers
569
views
Expand Comparison Chains
Unlike most languages, Python evaluates a<b<c as it would be done in mathematics, actually comparing the three numbers, as opposed to comparing the boolean <...
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11
votes
7
answers
1k
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Simple DTMF decoding: find the phone key!
This is a simple challenge which hopefully may lead to some creative answers.
Quoting Wikipedia: "Dual-tone multi-frequency signaling (DTMF) is an in-band telecommunication signaling system using the ...
- 195k
9
votes
16
answers
2k
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Convert CMYK values to RGB
Given Color codes in CMYK, convert it to RGB value.
Input:
string of 4 integers(ranging from 0-100) separated by space
86 86 0 43
28 14 0 6
0 41 73 4
Output:
...
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How to convert HEX2 to RGBA?
The world of art is full of colour, but the world of the network is even fuller than the world of art of diferent colours and it's renderings. That's why we need to know how to convert one type of ...
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votes
15
answers
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How much Mana do I need?
Dungeon Master was one of the first ever real-time role-playing games, originally released in 1987 on the Atari ST. Among other exciting things for the time, it offered a rather sophisticated spell ...
- 195k
14
votes
14
answers
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Short Date into English Long Date
Convert short date format into English long date in as few bytes as possible.
Input
Input will be in the form of a string with format, yyyy-mm-dd, with zero padding ...
- 1,299
6
votes
2
answers
508
views
Generate chord charts for ukulele
Your task is to write a function which outputs a ukulele chord chart in the following format for a given chord symbol. For instance, for input "G7", it must output:
...
- 2,771
5
votes
16
answers
678
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Convert Binary to Text [duplicate]
Your task is to write a program, which takes a binary input and converts it to plain text. For Example:
01100001 01100010 01100011 = "abc"
Rules
Input can come ...
- 333
0
votes
6
answers
404
views
TiB, not TB, Seriously?
If you're like me (and/or use Windows), You should have found this issue quite disturbing.
You plug in a hard drive (2TB for my occasion), and realize it doesn't show as 2TB, but a bit smaller size ...
- 5,357
9
votes
8
answers
362
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Convert AWG to Inches
AWG (American Wire Gauge) is a common way of specifying wire sizes. Your task in this challenge is to convert from a given gauge to the diameter of the wire in inches.
The size in inches for the ...
- 25.7k
22
votes
17
answers
2k
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Neutralize data
To neutralize data, recursively replace all numbers (not digits!) with zeros and all characters (not strings!) with spaces.
You must accept any single number, character, or string, or possibly ...
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28
votes
40
answers
6k
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12 hour to 24 hour time converter
Amazingly, this simple task doesn't seem to exist already, so...
Your task is to write a program that takes as input a 12 hour time, and converts it into "military time", or 24-hour time format.
...
- 3,568
8
votes
3
answers
371
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Line ending conversion program
Write a program or function that alters the file at a user-specified filename via replacing all instances of UNIX line endings with Windows line endings and vice versa.
Clarifications:
For the ...
user62131
7
votes
3
answers
502
views
World Time Conversion
World Time Conversion
Challenge:
Given an initial clock time in UTC and a list of countries: for each country in the list, output the local time it is in that country based on the initial time. In ...
- 2,418
20
votes
6
answers
2k
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Make An ASCII Poker Chip Stack Arrangement
Poker has etiquette in how you arrange your chips, often enforced in tournaments - your chips may not be "hidden" from your opponents by being behind others, mostly to not hide some large denomination ...
- 109k
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votes
15
answers
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Convert to Bubble Letters
So I was playing around with my compose key, and found some cool things, one of them being that by pressing compose + ( + alphanumeric + ), you get that character ...
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votes
24
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3k
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Convert to Bibi-binary
Bibi-binary is a numeric system invented by Boby Lapointe in order to represent numbers in letters which pronunciation seems funny.
Your task is to convert decimal numbers into Bibi-binary!
...
- 3,762
-2
votes
8
answers
522
views
Convert string to number [duplicate]
Task
The task is to convert a string to a number. It must accept the string via stdin and output the number via stdout.
You convert a string to a number by replacing each letter of the string by its ...
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votes
19
answers
2k
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Text animation format Code Golf [duplicate]
Working with old files from DOS, I found an ancient text animation format, that specify how much time each frame must be shown in the screen. It's very simple:
F1W5F2W3
This example above indicates ...
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19
votes
5
answers
457
views
Convert an Expression to Panfix Notation
I was browsing esolangs, and chanced upon this language: https://github.com/catseye/Quylthulg.
One interesting thing about this language, is that it doesn't use prefix, postfix, or infix, it uses all ...
- 25.7k
9
votes
13
answers
2k
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From Rgb to Cmyk
Given 3 bytes or RGB as input, calculate the nearest CMYK values, and output them.
create either a function with parameters and return value or a program that operates on stdin/stdout
use the color ...
- 14.8k
15
votes
1
answer
904
views
Convert ASCII box drawing into Unicode
I am shamelessly posting a request for something I would actually find useful. The task is to take an arbitrary ascii box drawing like this
...
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8
votes
1
answer
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Judge Some Titrations
In chemistry class, we were learning about titrations, and attempting one as a lab. We were using phenolphthalein as the indicator for the titration, so on top of grading the lab normally, my teacher ...
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