0
Context
The water buckets riddle or the water jugs riddle is a simple riddle that can be enunciated in a rather general form as:
Given \$n > 0\$ positive integers \$a_1, a_2, \cdots, a_n\$ representing the capacities (in units of volume) of \$n\$ buckets and a positive integer \$t \leq \max(a_1...
Pendulum Encoding code-golf array-manipulation sorting
Given an array as an input (which can be any acceptable/convenient format in your language), implement pendulum encoding.
How do I do that?
The current iteration index starts at 0.
If the iteration index is even, append the current item ...
Sequel of Counting valid Binary Sudoku rows.
Background
Binary Sudoku, also known as Takuzu, Binario, and Tic-Tac-Logic, is a puzzle where the objective is to fill a rectangular grid with two symbols (0s and 1s for this challenge) under the following constraints:
Each row/column cannot have a...
Is this a Freeman Dyson Number?
Background
From this Popular Mechanic article
One day, in a gathering of top scientists, one of them wondered out
loud whether there exists an integer that you could exactly double by
moving its last digit to its front. For instance, 265 would satisfy
t...
Challenge
You will be given a string. You have to turn the vowels in the string to upper case and consonants will be in lower case.
Example
Input
Hello World
Output
hEllO wOrld
Info
String contains only A to Z letters and space.
Input
The string
Output
The formatted string (Vowels...
I was scraping the last peanut butter out of the jar during the Covid19 pandemic, and wondering how much of the good stuff was left down inside the jar, inaccessible but for the most desperate scrounging with my most creatively used kitchen utensils. At some point, I would grow weary of this proc...
I noticed that most, if not all of the answers on Vowels up, consonants down are being downvoted. I raised a mod-flag but there's only one mod and I'm guessing they're already stressed with the load of dealing with all the mod-flags and comment-flags.
Some speculation as to why this is happening...
