How to resolve the algorithm Combinations step by step in the TXR programming language

Published on 12 May 2024 09:40 PM

How to resolve the algorithm Combinations step by step in the TXR programming language

Table of Contents

Problem Statement

Given non-negative integers   m   and   n,   generate all size   m   combinations   of the integers from   0   (zero)   to   n-1   in sorted order   (each combination is sorted and the entire table is sorted).

3   comb   5     is: If it is more "natural" in your language to start counting from   1   (unity) instead of   0   (zero), the combinations can be of the integers from   1   to   n.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Combinations step by step in the TXR programming language

Source code in the txr programming language

(defun comb-n-m (n m)
  (comb (range* 0 n) m))

(put-line `3 comb 5 = @(comb-n-m 5 3)`)

  

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