Questions tagged [test-battery]

A problem whose scoring criterion involves running the output of a program through a large number of test cases.

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313
votes
8answers
27k views

Upgoat or Downgoat?

Given an image of a goat, your program should best try to identify whether the goat is upside down, or not. Examples These are examples of what the input may be. Not actual inputs Input: Output: <...
50
votes
10answers
9k views

Build a random number generator that passes the Diehard tests

While there are many code golf questions on here involving randomness, I haven't seen one yet that actually asks for building an algorithmic pseudorandom number generator. There's this one that asks ...
34
votes
17answers
5k views

Create a Flood Paint AI

In the game of Flood Paint, the goal of the game is to get the entire board to be the same colour in as few turns as possible. The game starts with a board that looks something like this: ...
13
votes
6answers
938 views

Text to Brain-Flak

Your challenge is to turn input text to brain-flak code that will output the text. Tutorial taken from here with permission here Brain-Flak has two stacks, known as 'left' and 'right'. The active ...
17
votes
4answers
2k views

What's the Language?

Recently, the PPCG design leaderboard has been having some trouble parsing answer html headers. In this challenge you'll be taking your own shot at parsing answer headers. Example Test Cases These ...
12
votes
3answers
562 views

Combinatory Conundrum!

Introduction: Combinatory Logic Combinatory logic (CL) is based off of things called combinators, which are basically functions. There are two basic "built-in" combinators, ...
16
votes
6answers
917 views

Who said that? 2016 Presidential election

In this challenge, your task is to make write a program with less than 300 characters that takes a short paragraph or a few sentences that a candidate has said and output who said it. Input: Can be ...
33
votes
1answer
3k views

Voice recognition: “Yes” or “No”?

Task Implement a program in minimum bytes of source or binary code that does voice recognition of a voice sample (me saying "yes", "yeah" or "no" in voice or in whisper, plainly or quirkily) based on ...
11
votes
3answers
503 views

Print a specific value in the Wythoff matrix modulo 2

The Wythoff matrix is an infinite matrix consisting of the Grundy numbers of each square on a chessboard in Wythoff's game. Each entry in this matrix is equal to the smallest nonnegative number that ...