Questions tagged [unicode]

For challenges involving unicode.

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11 votes
33 answers
1k views

Convert the decimal digits of a string's Unicode codepoints to binary, reinterpret as decimal, and take the sum

Yeah... it's confusing. Let me explain it a little better: With a string, get the unicode code points of each letter Let's use "Hello World!". The code ...
17 votes
34 answers
2k views

Spell out the Revu'a

Actually not inspired neither by Atbash Self Palindromes nor by Generalized Gematria Calculator. Given a string s of length n, output the Revu'a sequence, which is the first character of s, the first ...
14 votes
12 answers
1k views

Shift Braille down

Braille Patterns in Unicode contains 8 dots() and occupy area U+2800-U+28FF. Given a Braille Pattern character, where the bottom two dots are not used(aka. U+2800-...
35 votes
6 answers
3k views

Convert to UTF-∞

It's 22022 and the Unicode consortium is having a problem. After the writing system of the ⮧⣝Ⅲⴄ⟢⧩⋓⣠ civilization was assigned the last Unicode block, the consortium members have been scrambling to ...
21 votes
13 answers
3k views

Chinese color mixing

Objective Given two Chinese ideographs meaning basic colors, output the ideograph that means the color resulting from mixing them. Basic colors The basic colors are: 靑(U+9751; blue) 赤(U+8D64; red) 黃(...
17 votes
13 answers
4k views

Parse a Unicode vulgar fraction

Objective Given a string with single Unicode vulgar fraction, parse it to a rational number. Valid inputs A valid input is one of: ¼ U+00BC; one quarter ...
10 votes
5 answers
869 views

Translate the keitai input method

The keitai input method is a method for writing Japanese kana on a 12-key phone keypad. Similar to Western keypads, each kana is assigned to a key; when the key is pressed multiple times, it cycles ...
14 votes
11 answers
2k views

Compress Jelly's code page

In this challenge, you'll print out the SBCS of Jelly, a popular golfing language. Its code page looks like this: _0 _1 _2 _3 _4 _5 _6 _7 _8 _9 _A _B _C _D _E _F 0_ ...
17 votes
38 answers
3k views

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, ...
20 votes
26 answers
3k views

Print Real Invisible Text

My previous challenge, Print invisible text was quite popular, likely due to how trivial it is. However those more observant of you may have noticed that you're not really printing invisible text, ...
12 votes
15 answers
923 views

Sum of strings (UTF-16 codepoints)

Your function must accept two strings and return new string where are UTF-16 code of all symbols is the sum of UTF-16 codes of inputs symbols If the resulting sum is greater than ...
23 votes
28 answers
2k views

Fractional Unicode Bars

Your program should take as input a number n that is greater than 0 and output a bar composed of n // 8 ▉ characters (U+2588), ...
6 votes
15 answers
871 views

Convert To Shorthand Part 1

This challenge has been divided into parts. Your goal is to convert a sentence into a form of 'short-hand' For Part 1 these are the rules Take in 1 word Remove all vowels(a,e,i,o,u), except the ones ...
18 votes
4 answers
2k views

Unicode UTF Converter

The goal is to create a fully compliant converter between the official Unicode encodings as given in the UTF FAQ. Given that this is centred on Unicode, I will accept the answer with the lowest byte ...
18 votes
3 answers
808 views

Universal Unicode Clock

Plot contrivance You wake up to find that something has gone horribly wrong! Your time machine has malfunctioned and you are lost sometime between June 2022 and October 1991. You check the computer ...
53 votes
22 answers
6k views

Sᴍᴀʟʟ Cᴀᴘꜱ Cᴏɴᴠᴇʀᴛᴇʀ

Portable Spec. Iɴꜱᴘɪʀᴇᴅ ʙʏ @ConorO'Brien's ᴜꜱᴇʀɴᴀᴍᴇ. Aʟꜱᴏ ᴛʜᴀɴᴋꜱ ᴛᴏ @Dᴏᴏʀᴋɴᴏʙ ꜰᴏʀ ꜱʜᴏᴡɪɴɢ ᴍᴇ ᴛʜᴇ ᴇxɪꜱᴛᴇɴᴄᴇ ᴏꜰ ǫ ᴀɴᴅ x. Sᴍᴀʟʟ ...
18 votes
16 answers
3k views

Output "Lorem ipsum" with minimal number of characters

I remember people saying that code size should be measured in bytes, and not in characters, because it's possible to store information with weird Unicode characters, which have no visual meaning. How ...
24 votes
18 answers
5k views

Count the bytes of a program

Note 2: I accepted @DigitalTrauma's 6-byte long answer. If anyone can beat that I will change the accepted answer. Thanks for playing! Note: I will be accepting an ...
17 votes
14 answers
1k views

Convert CSV to Table

The Challenge Given a CSV input, output a proper unicode table using box characters. Formatting The table will be formatted using the following rules: Column width will be equal to the longest ...
11 votes
11 answers
3k views

Mr. ASCII becoming uncanny with your own code

Let's make a little stupid program that simulates the meme "Mr. incredible becoming uncanny", but in this case, our little ASCII friend is going to react to our code length. Objective: ...
23 votes
19 answers
2k views

Print a shuffled deck of cards

Input None Output 52 cards. No duplicates. Cards are represented as their unicode characters, e.g. 🂹. The Unicode codepoints follow the following format: The first three digits are ...
4 votes
0 answers
267 views

Convert To Shorthand Part 2

Part 1 of the challenge revolved around converting the letters into specific unicode characters. Lore In this part we receive the output from the function made in Part 1, which now has to be arranged ...
16 votes
5 answers
2k views

What's the current zodiac?

Display the emoji of the eastern zodiac of given time, according to given country. The eastern zodiac is a classification scheme that assigns an animal and its reputed attributes to each year in a ...
25 votes
28 answers
4k views

Parse my Esperanto!

The famous constructed language Esperanto uses the Latin alphabet (mostly, see the linked wikipedia page for details). However, there are some characters with accents: ĉ, ĝ, ĥ, ĵ, ŝ, and ŭ. (C-...
26 votes
3 answers
810 views

Can this village have a wedding?

The quaint hamlet of Кодгольф in the Russian far east has a problem: their population is low (below 66), and no new people have arrived for years. Moreover, after centuries of near-isolation, just ...
6 votes
3 answers
918 views

𝘜𝘯𝘪𝘤𝘰𝘥𝘦 𝗠𝗮𝗿𝗸𝗱𝗼𝘄𝗻 F̲o̲r̲m̲a̲t̲t̲e̲r̲ (*Unicode* **Markdown** __Formatter__)

If you cannot see this post, you can use this image Your task is to create a markdown parser that outputs Unicode. It should support 𝗯𝗼𝗹𝗱, 𝘪𝘵𝘢𝘭𝘪𝘤, 𝙼𝚘𝚗𝚘𝚜𝚙𝚊𝚌𝚎, and 𝗎̲𝗇̲𝖽̲𝖾̲𝗋̲𝗅̲𝗂...
13 votes
7 answers
920 views

Convert codepoint to UTF-1

UTF-1 is one of the methods to transform ISO/IEC 10646 and Unicode into a sequence of bytes. It was originally for ISO 10646. The UTF-1 encodes every character with variable length of byte sequence, ...
13 votes
12 answers
2k views

Convert codepoint to UTF-9

UTF-9 was an April Fool's Day RFC joke specifications for encoding Unicode suitable for 9-bit nonet platforms. Challenge Your task is to implement a program or a function or a subroutine that takes ...
23 votes
3 answers
1k views

Pretty print a grid of polyominoes

Write a function that accepts a rectangular grid of ids in any reasonable format, for example a multi-line string: IIILOO ILLLOO and a string or list of box ...
74 votes
12 answers
13k views

Operation Unz̖̬̜̺̬a͇͖̯͔͉l̟̭g͕̝̼͇͓̪͍o̬̝͍̹̻

I'm sure you're all familiar with Z̃͗̇̚͟Ḁ̬̹̈̊̂̏̚L̜̼͊ͣ̈́̿̚G̱̮ͩ̃͑̆ͤ̂̚Õ̷͇͉̺̜̲ͩ́ͪͬͦ͐ ̪̀ͤͨ͛̍̈͢ĝ̭͇̻̊ͮ̾͂e̬̤͔̩̋ͮ̊̈ͭ̓̃n͖͎̘̭̯̳͎͒͂̏̃̾ͯe͕̖̋ͧ͑ͪ̑r̛ͩa̴͕̥̺̺̫̾ͭ͂ͥ̄ͧ͆t͍̻̘̆o͓̥ͤͫ̃̈̂r̹̤͇̰̻̯̐ͮ̈́ͦ͂͞. If not, you can play ...
76 votes
16 answers
14k views

Hello World in Multiple Languages

Task Create a program or a function that is valid in multiple programming languages, and when compiled/interpreted as a different language outputs "Hello, World!" in a different natural language. ...
13 votes
7 answers
1k views

Write a Unicode Unpacker

We all know scoring by characters is ripe for abuse. Let's prove this. The Challenge Output the following: ...
27 votes
41 answers
6k views

All you have to do is print the number 1! ...Twice

Your task In your language of choice: create a program that outputs 1 This 1 may either be a string or value equivalent to the ...
43 votes
19 answers
3k views

Print the character names [closed]

Every Unicode character has a name, like "LATIN CAPITAL LETTER A". A Unicode character name may contain only uppercase letters, white spaces, and the minus sign. Write a program that reads a text and ...
8 votes
7 answers
973 views

Fix Facebook exported JSON

When you export data in JSON from Facebook, the multi-byte Unicode characters are broken. Example Unicode characters and their representation inside JSON: ...
15 votes
9 answers
2k views

Full name quine

Most Unicode characters have full names, for example is "RIGHT DOUBLE QUOTATION MARK". You can find a useful reference here, just type in the character ...
37 votes
20 answers
7k views

I give you ascii-art, you make it pseudo-3d

Do you know the optical effect of a tridimensional hand painted whit horizontal lines? Examples This challenge consists of making something like that effect with ascii, and transforming one 2d input ...
19 votes
7 answers
1k views

Is it an emoji?

I've been working on this iOS app recently and I encountered a (rather easily solved) problem: How do I determine if my string is comprised only of emojis? Well, that's your job today! Input A ...
10 votes
3 answers
443 views

I-Ching pair binary computer

Introduction I Ching is an ancient divination text and the oldest of the Chinese classics. It uses a type of divination called cleromancy, which produces apparently random numbers. The basic unit of ...
29 votes
31 answers
6k views

When I grow up I want to be ASCII

Task Your task is to take a character in: AÁÀÃÂBCÇDEÉÊFGHIÍJKLMNOÕÓÔPQRSTUÚVWXYZaáàãâbcçdeéêfghiíjklmnoõóôpqrstuúvwxyz and turn it into a characters in: ...
16 votes
17 answers
1k views

Supreme Sum String

Supreme Sum String Given an input string, return the word with the highest sum of each of its unicode characters. Rules The input should be seperated by whitespace The value of each word is based ...
25 votes
12 answers
3k views

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, ...
7 votes
19 answers
1k views

To count the sum of all Unicode characters of a given input under an interesting constraint

Program: To count the sum of all Unicode characters of a given input. (No need to display the output. The final answer can be calculated in any base no need to convert back to hexadecimal.) Test case :...
22 votes
9 answers
1k views

Unicode T-square

Challenge Create a function or program that, when given an integer size, behaves the following way: If size is equal to 1, ...
5 votes
1 answer
457 views

Test the endianness

Given a UTF-16 string, test its endianness. Rules: As long as the input is in UTF-16 without BOM, its type doesn't matter. In C++ on Windows, it can be ...
23 votes
3 answers
2k views

Decode Faux Braille

...
15 votes
5 answers
678 views

Wuxings in Positive Action

Background Wuxings(五行) are the five "elements" in Chinese philosophy. They are Fire(火), Water(水), Wood(木), Metal(金), and Soil(土). You can find them on East Asian calendar, where some days (...
10 votes
3 answers
456 views

Count The Genus

Objective Given a matrix of connected box drawing characters, count its genus, the number of plane sections it encloses. Valid input The box drawing characters are ...
25 votes
8 answers
2k views

Take that frown and turn it around

A celebration of the many faces of APL Given a string among those in column 1 or column 2 of the below table, return the string's neighbor to its right. In other words, if given a string in column 1 ...
7 votes
2 answers
675 views

Decode Arabic to Arabic Presentation Form

Objective Given an Arabic string consisting of ISO/IEC 8859-6 Arabic letters (U+0621–063A, 0640–064A), decode it to Arabic Presentation Forms-B (U+FE70–FEFF). Behavior of Arabic letters ISO/IEC ...