This challenge is partly an algorithms challenge, involves some math and is partly simply a fastest code challenge. For some positive integer n, consider a uniformly random string of 1s and 0s of ...
Consider these 10 images of various amounts of uncooked grains of white rice. THESE ARE ONLY THUMBNAILS. Click an image to view it at full size. A: B: C: D: E: F: G: H: I: J: Grain ...
Your task is to implement a program similar to the nl command-line tool from the GNU core utilities. Standard loopholes are banned. You may not use any built-in or external function, program or ...
Tallying is a simple counting system that works in base 5. There are various different tallying systems used around the world, but the one that is used in most English-speaking countries is perhaps ...
At http://shakespeare.mit.edu/ you can find the full text of each of Shakespeare's plays on one page (e.g. Hamlet). Write a script that takes in the url of a play from stdin, such as ...
Inspired by... Networking - How can I work out how many IP addresses there are in a given range? Write a program or function that takes two strings as input, each being an IPv4 address ...
As programmers, we all know the saying: "You can have it fast and good, but it won't be cheap, you can have it cheap and good, but it won't be fast, or you can have it fast and cheap, but it won't be ...
You are developing some code to generate ID numbers. Policy requires that no ID numbers include the digit sequence 666. Create a function (or your language's equivalent) which takes a positive ...
Count the number of unique fractions with numerators and denominators from 1 to 100, and print the counted number. Example: 2/3 = 4/6 = ... Rules: You must actually count in some way. Only integers ...
Based on the question How many positive integers < 1,000,000 contain the digit 2?. I'm looking for the most creative solution to count all the Integers from X to Y containing the Integer Z. Z can ...
The code should take a string as input from keyboard: The definition of insanity is quoting the same phrase again and again and not expect despair. The output should be like this(not sorted in any ...
This will be my very first post on stackexchange so bear with me. Create a program that counts from 0 to 1,000,000,000. Now the trick is to not print all these characters but to only print how many ...
Objective Given any terminating, rational number, return the number of digits the number contains. Do not count zeros if they're the last digits. Examples 0 returns 1 -1 returns 1 6.23 returns 3 ...
Cyclic Words Problem Statement We can think of a cyclic word as a word written in a circle. To represent a cyclic word, we choose an arbitrary starting position and read the characters in ...
In the game manufactoria, take in a binary number and output that number of red pieces. The catch? The board-size is only 7x7: Here's the manufactoria code for the problem: ...
Definition A square-free semiprime is a natural number that is the product of two distinct prime numbers. The task Given a natural number n, count all square-free semiprimes less than or equal ...