Given two lists, before and after a sort:
0 1 2 3 4
---------
before: 3 1 2 5 4
after: 1 2 3 4 5
Is there a well-known algorithm that can give me the
list-of-transforms that got me from before to after?
e.g.:
first-to-zeroth,
zeroth-to-second,
second-to-first
fourth-to-third
third-to-fourth
This seems like the kind of thing that probably exists, but there
isn't a simple googlable term for searching it out conveniently.
Alan
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