On 2015-01-26 00:32, Ben Finney wrote:
Johannes Bauer <dfnsonfsdu...@gmx.de> writes:
So, I would like to ask if you have a Pythonic approach to
backtracking problems? If so, I'd love to hear your solutions!
I'm not aware of what the problem is. “Back-tracking” doesn't have a
general meaning I recognise beyond random access into a data structure.
So a Python list is the obvious starting point.
Do you have a specific meaning of “back-tracking” that implies
particular problems that are difficult to solve?
I believe he's talking about trying different alternatives until one
works. You get it in matching regexes (well, when using the NFA
approach as used in the re module, Perl regexes, etc, anyway).
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