All Questions
34
questions
7
votes
1
answer
314
views
Literate Programming in Base 26
Your task is to convert non-empty strings - between strings using the 26 letters, and programs, which are strings of bytes, where each byte has 256 possible values. You should use the same codepage ...
- 10.6k
-11
votes
13
answers
378
views
Check if my input was 'hi whats up' without using any of those letters in your code
Write a script, program or function which takes one input of type string and outputs or returns some sort of indication wether the input string was 'hi whats up' (without the apostrophes) or not.
You ...
- 145
-12
votes
8
answers
547
views
Write "tut-tut-tut" without using "tut"
Following this question: Tut-tut-tut-tut-tut
Write a program that writes "tut-tut-tut" without using the characters "t", "u" or "-" in the code itself.
This is ...
- 187
13
votes
10
answers
1k
views
Autogrammatic pairs
For today's task, we have two programs, P and Q, both in the same language. Each of them receives a single-character input.
If P receives character K, P says how many times K appeared in Q. (You can ...
- 3,849
17
votes
20
answers
3k
views
And and… and. And.?
Introduction:
Inspired by the Puzzling-stackexchange post with the same name, which I've answered four years ago:
Can you create a perfectly valid English sentence, which makes perfect sense, but ...
- 130k
26
votes
2
answers
2k
views
Get string "-" with JavaScript using only the symbols from "+[]"
Challenge: Get the JavaScript string value containing only the "-" character using code only containing the following three symbols: ...
- 385
15
votes
15
answers
1k
views
Restricted-source polyglot string
Your goal is to write a program that prints the string abc in two languages. However, while the full code will print abc in one ...
- 151
1
vote
2
answers
364
views
KILL ALIENS NOW! [closed]
The world has been invaded by aliens. They are everywhere killing people and taking over the world. You are hiding with your friend.
They have one weakness - the high pitched sounds.
You can't go ...
- 273
26
votes
25
answers
2k
views
Detect Perfect Pairings
Let's have a function \$f\$ that takes a string and removes all pairs of adjacent identical characters. For example
\$f(a\color{red}{bb}ba\color{red}{cc}) = aba\$
Note that when two pairs overlap ...
- 99.6k
85
votes
42
answers
13k
views
Non-discriminating Programming
We say a string is non-discriminating if each of the string's characters appears the same number of times and at least twice.
Examples
"aa!1 1 !a !1" is non-...
- 26.3k
-5
votes
14
answers
625
views
Count the number of "e"s in a string without using the letter "e" [closed]
Your code may not contain the letter "e", but must count the number of "e"s in the inputted string and output that as a number. Bonus points if you use a language that is not a codegolf language and a ...
- 779
-4
votes
10
answers
245
views
Trim a String without Builtins [closed]
Given text, remove leading and trailing whitespace (spaces, tabs, and newlines).
Alternate title: Implement your own string trimming.
Input
ASCII text (printable + spaces, tabs (...
- 14k
3
votes
14
answers
1k
views
Hello... eh, who?
Introduction
You started to write a "Hello, World!" program, but after you wrote the part to print the hello, you forgot what your program should actually print. So now, you somehow managed it to ...
- 1,659
7
votes
16
answers
2k
views
plz send teh codez!
Note to Moderators and editors:
This post's title is for effect and should not be changed. The misspelling is intentional and part of the challenge.
Backstory
The (stereo)typical bad SO question ...
user58826
118
votes
76
answers
28k
views
I'm a palindrome. Are you?
There have been a couple of previous attempts to ask this question, but neither conforms to modern standards on this site. Per discussion on Meta, I'm reposting it in a way that allows for fair ...
user62131