Questions tagged [alphabet]
For challenges involving the usage and manipulation of the alphabet.
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Wordle games without repeating letters
Given a word list, find all sets of five words of five letters each, such that the words of each set have 25 distinct letters in total.
This challenge was inspired by this video by Matt Parker.
...
17
votes
17
answers
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Number to letters
Your task
Given a numerical string or integer \$\ge 0\$ (which may have leading zeros), convert it to letters using the below rules.
Rules
Loop through the digits:
If the digit is ...
27
votes
54
answers
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Alphabet Checksum
Your task
Given a string of lowercase letters, output the "alphabet checksum" of that string, as a letter.
Example
Let's say we have the string "helloworld". With ...
26
votes
40
answers
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Count /[^a-z]/ig with /[a-z]/ig
Write a program or function which takes a string of text as input and outputs the number of non-alphabetical characters in it (standard I/O rules apply). A non-alphabetical character is any character ...
3
votes
11
answers
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views
Concatenate characters' indexes in the alphabet in the given numeral system
Given a word, get the indexes of each letter in the alphabet.
For example: uncopyrightable becomes: ...
11
votes
46
answers
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English An or A?
Given a string consisting of only upper and lower case letters, output an if it begins with a vowel, and a if not. For the ...
22
votes
30
answers
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Find me vowels near you
Write a function that takes in a string and for each character, returns the distance to the nearest vowel in the string. If the character is a vowel itself, return 0.
Vowels are : ...
15
votes
41
answers
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Index and return 3 characters
The challenge is simple: Read 3 letters from a system input¹ and convert them to numbers (A-1, B-2, C-3...Z-26)². Print each of those numbers in the order the ...
26
votes
29
answers
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Find Abecedarian Words
An Abecedarian Word is a word whose letters are in alphabetical order. Your goal is to write a program that outputs all abecedarian words from a given lexicon.
Rules:
Standard Loopholes are forbidden....
2
votes
12
answers
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just a caesar cipher... with a twist [closed]
I have been going to puzzling.se, and people over there write stuff in rot13 a lot, sot this gave me an idea:
Write a program that takes 2 inputs, a string and integer:
the message to encode or ...
42
votes
15
answers
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NATO phonetic spelling can take long
NATO phonetic alphabet is a spelling alphabet that associate to each of the 26 letters of the English alphabet one word (table below) that is easy to understand over the radio or telephone. For ...
19
votes
14
answers
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NESCA: New English Stroke Count Alphabet
TLDR: Sort your input according to a new English alphabet somewhat based on Chinese stroke count methods.
Background: In a Chinese glossary/index, finding terms that are contained within the book is ...
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10
answers
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Output the International Phonetic Alphabet
The International Phonetic Alphabet is a system of phonetic notation intended to be able to accurately represent every sound used in spoken language.
The alphabet contains 29 vowel letters ...
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votes
13
answers
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Dissect a word and arrange all its letters in alphabetical order
Question
Write a program to accept one string on the console only and print back its letters arranged in alphabetical order. The string must only have the following characters:
...
47
votes
76
answers
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Pointlessly make your way down the alphabet
Disclaimer: This challenge inspired by me spending the morning debugging recursive functions, which have been frying my brain a little.
Here's an example of recursion, from a letter, we keep going to ...
36
votes
64
answers
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Backwards Alphabet Triangle
Without taking any input, output this exact text:
...
16
votes
8
answers
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Spelling on a Grid
(based on this deleted question)
Take the English alphabet a b c d e f g h i j k l m n o p q r s t u v w x y z (spaces added for clarity), and split it into chunks ...
2
votes
0
answers
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views
Spreadsheet Columns [duplicate]
Spreadsheet Columns
In most spreadsheet programs, columns go A, B, C, ... ...
25
votes
25
answers
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Fill a bowl with alphabet soup
We seem to never get tired of alphabet-related challenges...
The recipe
Given
a string of letters S, and
two positive integers ...
20
votes
30
answers
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Numbers Decrease while Letters Increase
Randomly inspired by Numbers Increase While Letters Decrease
Given a list of mixed letters and integers (e.g., ['a', 2, 3, 'b']) increase the letters by one ...
-2
votes
11
answers
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views
Convert alphanumeric (base-36) sentences into hexadecimal (base-16) sentences
I use "sentence" here loosely to mean "any sequence of words separated by spaces" and "words" to mean "sequences of alphanumeric (hexatrigesimal) characters unseparated by spaces".
Conversion is from ...
6
votes
2
answers
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views
Check if all vowels exist in pairs of strings [closed]
Your program should find the number of string pairs (pairs of 2) that contain all vowels (a e i o u), when given an integer N and ...
-6
votes
4
answers
430
views
This ain't it Chief
This is mostly for the memes. I regret existing.
Rules
Your code has to output, by either printing or showing in stdout, the phrase This ain't it Chief. in that ...
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votes
21
answers
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Write a function/method that takes in a string and spells that word out using the NATO Phonetic Alphabet. Titlecase optional
Write a program that takes in a string and spells that word out using the NATO Phonetic Alphabet.
The mapping is as follows:
...
31
votes
11
answers
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Optimal Alphabet Stepping
Given an input string consisting of only letters, return the step-size that results in the minimum amount of steps that are needed to visit all the letters in order over a wrapping alphabet, starting ...
10
votes
26
answers
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A function to take three integers and return a list of integers and alphabet-letters
Challenge
We take three positive integers a, b, and c as input. Using these integers, first ...
13
votes
7
answers
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Given N, output n-th element of ['A', 'B', 'AB', 'C', 'D', 'CD', 'ABCD', 'E', ...]?
Consider the following list:
...
20
votes
11
answers
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Socket - Plug compatibility
Traveling with electronics is always fun, especially when you need an adapter to charge them. Your challenge is to make planning a trip a little easier by checking if a given plug will be compatible ...
28
votes
36
answers
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Count Consecutive Characters
Given a string containing only letters, output the length of the longest run of consecutive alphabetical letters the word contains, where order does not matter. An example algorithm may sort the word, ...
14
votes
10
answers
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Decoding the Kaadi system
You have come across an old Indian manuscript, one that describes mounds of buried treasure. The manuscript also tells you the location of the treasure, except that some crucial numbers have been ...
16
votes
20
answers
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Produce a List of Rotonyms 1
Rotonyms 1
ROT13 ("rotate by 13 places") is a simple letter substitution cipher that replaces a letter with the 13th letter after it, in the alphabet. So, A ...
1
vote
0
answers
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views
Vowel position changer [duplicate]
Challenge :
Sort the vowels (only vowels) in the given string .
Note :
Vowels are the following characters: A, E, I, O, U
Vowel sorting is cyclic i.e. After rearrangement the first vowel of sorted ...
34
votes
20
answers
4k
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Alphabet cannon
A cannonball is fired so that in the first eyeblink of its flight it ascends by N treetops, during the second eyeblink by N-1 ...
39
votes
47
answers
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Kolmogorov shifter
Output or display the following three lines of text, exactly as they are shown below. A trailing newline is accepted.
...
27
votes
53
answers
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Confusing Alphabet Staircase
Given no input, output this interesting alphabet pattern in either case (the case has to be consistent) via an accepted output method:
A
AB
ACBC
ADBDCD
AEBECEDE
AFBFCFDFEF
AGBGCGDGEGFG
AHBHCHDHEHFHGH
...
10
votes
5
answers
660
views
Case-fold German
Given a German string and an indication of a case (lower/upper/title), fold the string to that case.
Specifications
Input will consist only of a–...
6
votes
10
answers
596
views
Print the alphabet Christmas tree [duplicate]
I know it's 1.5 weeks after Christmas but trying to print an isosceles triangle in a monospaced font makes it look weird.
Challenge
Print the alphabet from A to Z so that it forms a filled triangle ...
22
votes
10
answers
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Does a letter fit inside the other?
Do you remember my mat properly grouped by colors?
Yesterday I was looking at it and realized that some letters fit inside others. Example: a letter P fits in the ...
20
votes
1
answer
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views
Foam Bath Letters
If you have a small child in your house, you may have come across foam bath letters. These can be moistened and stuck to flat surfaces such as tiles and the side of the bath to make words and messages....
42
votes
87
answers
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A very long Terza Rima
Description
Output the rhyme scheme for a very long Terza Rima.
Input
None.
Output
...
1
vote
1
answer
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views
Cases variations of a string [duplicate]
For any String that is composed of lower cased alphabetical characters, make a function that returns a list of all of it's variations, empty strings returns empty list
Test Cases
...
14
votes
6
answers
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Spiral out the Alphabet!
Look at the following string. Notice a pattern?
ABEFNOPEFGH
DC G Q I
M H R J
LKJI S K
D T L
C U M
BAZYXWV N
E O
D P
C Q
BAZYXWVUTSR
As some might have ...
14
votes
39
answers
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Odd'em out: letters
Objective
Write a program or function (or equivalent) that sorts out and returns the odd letter in the matrix of random size.
Details
You will be passed a matrix (as a string) as input of random ...
37
votes
108
answers
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Alphabet Staircase
The Challenge
Your task is to create a program or function that outputs the following with no input:
...
49
votes
23
answers
10k
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Type the Alphabet - as fast as you can!
Your task is to make a program that measures how fast you can type the letters of the English alphabet.
The program shall only accept lowercase letters a to ...
3
votes
1
answer
263
views
Did you hear about alphametics? [duplicate]
Task
The letters spell out actual words, but if you replace each letter with a digit from 0–9, it also “spells” an arithmetic equation. The trick is to figure out which letter maps to each digit. All ...
55
votes
41
answers
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Make some Alphabet Rain
Alphabet Rain
The Task:
The basic premise is to print out the input string and then repeat each character vertically, based on it's (0-indexed) position in the (case-insensitive) alphabet ...
-4
votes
2
answers
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Polyglot the English Alphabet! [closed]
In this polyglot challenge, you will work together to figure out how to output all the 26 letters of the English alphabet!
How does this work?
For each answer, you must pick a new language (or a new ...
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votes
119
answers
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Make an alphabet searchlight!
Inspired by a bug in a solution to this challenge, your challenge is to produce this exact text:
...
60
votes
49
answers
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Fit a word into an alphabet grid
Inspired by a meme I saw earlier today.
Challenge description
Consider an infinite alphabet grid:
...