Best shuffle: Difference between revisions

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(Per request, replaced PowerShell with sample that meets task requirements)
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;Task:
Shuffle the characters of a string in such a way that as many of the character values are in a different position as possible.
 
A shuffle that produces a randomized result among the best choices is to be preferred. A deterministic approach that produces the same sequence every time is acceptable as an alternative.▼
 
Display the result as follows:
 
original string, shuffled string, (score)
 
The   ''score''   gives the number of positions whose character value did   ''not''   change.
 
 
;Example:
tree, eetr, (0)
 
A shuffle that produces a randomized result among the best choices is to be preferred.
 
▲A deterministic approach that produces the same sequence every time is acceptable as an alternative.
 
 
Retrieved from "https://rosettacode.org/wiki/Best_shuffle"