How to resolve the algorithm Nonoblock step by step in the J programming language

Published on 12 May 2024 09:40 PM
#J

How to resolve the algorithm Nonoblock step by step in the J programming language

Table of Contents

Problem Statement

Nonoblock is a chip off the old Nonogram puzzle.

Given a row of five cells and a block of two cells followed by a block of one cell - in that order, the example could be shown as: And would expand to the following 3 possible rows of block positions:

Note how the sets of blocks are always separated by a space. Note also that it is not necessary for each block to have a separate letter. Output approximating This: This would also work:

(This is the algorithm used in the Nonoblock#Python solution).

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Nonoblock step by step in the J programming language

Source code in the j programming language

nonoblock=:4 :0
  s=. 1+(1+x)-+/1+y
  pad=.1+(#~ s >+/"1)((1+#y)#s) #: i.s^1+#y
  ~.pad (_1}.1 }. ,. #&, 0 ,. 1 + i.@#@])"1]y,0
)

neat=: [: (#~ # $ 0 1"_)@": {&(' ',65}.a.)&.>


   neat 5 nonoblock 2 1
│A│A│ │B│ │
│A│A│ │ │B│
│ │A│A│ │B│
   neat 5 nonoblock ''
│ │ │ │ │ │
   neat 10 nonoblock 8
│A│A│A│A│A│A│A│A│ │ │
│ │A│A│A│A│A│A│A│A│ │
│ │ │A│A│A│A│A│A│A│A│
   neat 15 nonoblock 2 3 2 3
│A│A│ │B│B│B│ │C│C│ │D│D│D│ │ │
│A│A│ │B│B│B│ │C│C│ │ │D│D│D│ │
│A│A│ │B│B│B│ │C│C│ │ │ │D│D│D│
│A│A│ │B│B│B│ │ │C│C│ │D│D│D│ │
│A│A│ │B│B│B│ │ │C│C│ │ │D│D│D│
│A│A│ │B│B│B│ │ │ │C│C│ │D│D│D│
│A│A│ │ │B│B│B│ │C│C│ │D│D│D│ │
│A│A│ │ │B│B│B│ │C│C│ │ │D│D│D│
│A│A│ │ │B│B│B│ │ │C│C│ │D│D│D│
│A│A│ │ │ │B│B│B│ │C│C│ │D│D│D│
│ │A│A│ │B│B│B│ │C│C│ │D│D│D│ │
│ │A│A│ │B│B│B│ │C│C│ │ │D│D│D│
│ │A│A│ │B│B│B│ │ │C│C│ │D│D│D│
│ │A│A│ │ │B│B│B│ │C│C│ │D│D│D│
│ │ │A│A│ │B│B│B│ │C│C│ │D│D│D│
   neat 5 nonoblock 2 3

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