Narcissistic decimal number: Difference between revisions

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m (→‎optimized: changed the wording in the REXX section header comments.)
m (→‎optimized, unrolled: changed the wording/highlighting in the REXX section header comment.)
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===optimized, unrolled===
This REXX version is further optimized by unrolling part of the DO  '''do'''   loop that sums the digits.
 
<br>The unrolling also necessitated the special handling of one- and two-digit narcissistic numbers.
<lang rexx>/*REXX pgm generates and displays a number of narcissistic (Armstrong) numbers*/
numeric digits 39 /*be able to handle largest Armstrong #*/
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