Linked Questions
27 questions linked to/from Language Design: 2-D Pattern Matching
55
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63
answers
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Is this string a square?
A string is considered to be square if the following conditions are met:
Each line has the same number of characters
The number of characters on each line is equal to the number of lines.
Your task is ...
- 9,497
62
votes
48
answers
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views
Are the brackets fully matched?
You must write a program or function that takes a string of brackets and outputs whether or not that string is fully matched. Your program should print a truthy or falsy value, and IO can be in any ...
- 60.2k
104
votes
24
answers
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views
Where's the 0xBEEF?
This challenge was inspired by this Wendy's commercial from 1984.
Illustration by T S Rogers
Your task is to find a hexadecimal 0xBEEF on a binary bun.
The 'beef' consists of the following pattern:
...
- 207k
33
votes
18
answers
8k
views
To find islands of 1 and 0 in matrix
Given a two dimensional matrix of 0 and 1s. Find the number of island for 1s and 0s where neighbours are only in the horizontal and vertical.
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- 339
42
votes
18
answers
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Hotel room numbering
Given an input of a "hotel" in ASCII art with a single room marked, output the
room number according to certain rules.
Here's an example of an ASCII hotel:
...
- 72.2k
58
votes
4
answers
5k
views
Nether Portal Detection
The video game Minecraft is all about placing and removing different types of blocks in the 3D integer lattice that makes up the virtual world. Each lattice point can contain exactly one block or be ...
- 91k
23
votes
24
answers
3k
views
Verifying a horizontal ASCII pet snake
Recently there have been a couple of ASCII pet snake challenges (e.g. here)
...
- 349
31
votes
12
answers
3k
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Official Ruby Inspector
Here is a simple ASCII art ruby:
___
/\_/\
/_/ \_\
\ \_/ /
\/_\/
As a jeweler for the ASCII Gemstone Corporation, your job is inspect the newly acquired rubies ...
- 91k
22
votes
17
answers
3k
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Connect Four Validator
Introduction
Connect Four is a game where you attempt to get four in a row: horizontally, vertically, or diagonally. In this code golf, we will be trying to find who won, given a game board. There ...
- 2,535
26
votes
8
answers
2k
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Mutually Attacking Queens
Let an 8x8 chessboard be represented by any two distinct values, with one value being an empty square and the other being a queen. In the following examples, I use 0s as the empty squares and 1s as ...
- 879
28
votes
8
answers
1k
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ASCII topology pt 1: Can I count on you?
I have a serious problem. I have some text files where I keep my very important numbers -- all of the important ones! And twos, and threes..
These numbers were so important that I couldn't entrust ...
- 1,064
17
votes
12
answers
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Verify the queens puzzle
If you don't know what a queen is in chess, it doesn't matter much; it's just a name :)
Your input will be a square of arbitrary width and height containing some amount of queens. The input board ...
- 16.5k
14
votes
8
answers
2k
views
Can Mario go to the end of this map
Create a program that determines, given an input of the path, whether Mario can reach the end, denoted by E, from the start, denoted by ...
- 4,837
31
votes
5
answers
1k
views
Recognize a vine
Background
I have a bunch of old and grainy black-and-white images.
Some of them depict vines climbing on a wall, others don't – your task is to classify them for me.
Input and output
Your ...
- 43.3k
20
votes
7
answers
2k
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Minecraft Chest Placement
The video game Minecraft is all about placing and removing different types of blocks in the 3D integer lattice that makes up the virtual world. Each lattice point can contain exactly one block or be ...
- 91k