Output Monitor Resolution
Write a program, take no input, output current monitor resolution.
Detail
Input nothing
Output two decimal numbers (width, height) in any order
Anything like 1024x768, 1024, 768, [1024, 768] is acceptable
If multiple monitors are connected, you may output any one ...
Breaking the Wordbuilder
WordBuilder is a puzzle in the local daily paper (New Zealand Herald). Given 5 unique letters, the challenge is to find valid English words formed by permutation of those letters, based on your own knowledge of random small words. Example in the image below.
Your challe...
Given a strictly positive integer n, follow these steps:
Create an array A with n 1s.
If A only has one element, terminate. Otherwise, starting from the first element, replace each pair of A with its sum, leaving the last element as is if A's length is odd, and repeat this step.
The output sh...
The fastest Sudoku solver
The goal of a game of Sudoku is to fill the board with the numbers 1-9, one in each cell, in such a way that each row, column and box only contains each number once. A very important aspect of a Sudoku puzzle is that there should only be one valid solution.
The goal...
Challenge
Write a program that takes as input a day from April 30, 1789 to August 21, 2019 and returns as output who was president of the USA that day.
Notes
Dates in the format "Month Day, Year"
For the list of US presidents, the format of their names, and the period of their presidency, see...
Introduction
Recently, me and a couple of my friends decided to play some cards, and one of them suggested the game 'Irish Snap', which was the inspiration for this challenge. However, I later learnt that the game has a lot of different rules that you can play with, some of which are listed her...
Break it up and put it back together again
code-golf [tag:restricted source] (note to self; add warning about the restricted source to reduce premature solutions)
Write a program/function that takes a list of integers greater than 1 and returns a list of positive integers where each number from...0
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 position in the alphabet (wrapping at z to a) and decrease the numbers by 1. For the above example, the output should be ['b', 1, 2, 'c'].
...
I need help rewording the prompt.
I learned from last time about having convoluted scoring and having too broad of a focus from my last question. I hope this one is more clear.
Church Subtraction
Lambda calculus has always been a fascination of mine and the emergent behaviors of passing funct...
Black And White Shirts 3
This is the third in a series. The first can be found here, and the second here. The premise is similar to the first two, but with some changes and a new goal.
Assume I have some number of black shirts and some number of white shirts, both at least 1. Both colors of shi...
T-SQL, 1169 981 bytes
Holy cow, I figured out string compression in SQL (available in SQL 2016 and above):
SELECT TOP 1 SUBSTRING(value,9,99)
FROM d,STRING_SPLIT(
CONVERT(VARCHAR(MAX),DECOMPRESS(CONVERT(XML,'H4sIAAAAAAAEAHVT23LaMBD9FX1AxiMZg+1HIAWGhDaltMz0bYMXrEaWOmsc6r/vrpw27kOHB8ZnL+fs2VW...
This is a simple task. Given a positive or negative real number, round it to the next whole integer closer to zero.
The challenge
Take input through any reasonable form (stdin, function, etc.) of one positive or negative real number.
Round this number "towards zero" - this means if it is posit...
