[issue32099] Use range in itertools roundrobin recipe

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

roundrobin() has quadratic computational complexity. For example list(roundrobin(*([[1]]*N))). Is there a way to make it with linear complexity?

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nosy: +serhiy.storchaka

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32099>
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