How to resolve the algorithm Range expansion step by step in the Bracmat programming language

Published on 12 May 2024 09:40 PM
#Bracmat

How to resolve the algorithm Range expansion step by step in the Bracmat programming language

Table of Contents

Problem Statement

A format for expressing an ordered list of integers is to use a comma separated list of either Example The list of integers: Is accurately expressed by the range expression: (And vice-versa).

Expand the range description: Note that the second element above, is the range from minus 3 to minus 1.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Range expansion step by step in the Bracmat programming language

Source code in the bracmat programming language

  ( expandRanges
  =   a b L
    .     @( !arg
           :   (#(?a:?b)|#?a "-" #?b)
               (:?L|"," [%(expandRanges$!sjt:?L))
           )
        &   whl
          ' (   (!L:&!b|(!b,!L))
              : ?L
            & -1+!b:~
            )
        & !L
      |
  )
& out$(str$(expandRanges$"-6,-3--1,3-5,7-11,14,15,17-20"))

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