How to resolve the algorithm Floyd's triangle step by step in the Forth programming language

Published on 12 May 2024 09:40 PM

How to resolve the algorithm Floyd's triangle step by step in the Forth programming language

Table of Contents

Problem Statement

Floyd's triangle   lists the natural numbers in a right triangle aligned to the left where

The first few lines of a Floyd triangle looks like this:

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Floyd's triangle step by step in the Forth programming language

Source code in the forth programming language

: lastn ( rows -- n ) dup 1- * 2/ ;
: width ( n -- n )  s>f flog ftrunc f>s 2 + ;

: triangle ( rows -- )
  dup lastn 0 rot ( last 0 rows )
  0 do
    over cr
    i 1+ 0 do
      1+ swap 1+ swap
      2dup width u.r
    loop
    drop
  loop
  2drop ;


  

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