[issue20826] Faster implementation to collapse consecutive ip-networks

[Antoine Pitrou]

Antoine Pitrou added the comment:

>From a quick look, the algorithm is indeed correct, and it should perform better on average than the previous one.

Note: both algorithms are O(n**2) worst case, not O(n).

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nosy: +pitrou

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20826>
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