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Pythagorean quadruples: Difference between revisions
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This version is a brute force algorithm, with some optimization (to save compute time)
<br>which pre-computes some of the squares of the positive integers used in the search.
<lang rexx>/*REXX pgm computes/shows (integers), D that aren't possible for: a² + b² + c² = d² */
parse arg hi . /*obtain optional argument from the CL.*/
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