- dichotomous search First place over k” is RIGHT, “first place over k” is LEFT python
>>> import bisect
>>> xs = [1, 2, 4, 4, 5]
>>> [bisect.bisect_left(xs, x) for x in range(7)]
[0, 0, 1, 2, 2, 4, 5]
>>> [bisect.bisect_right(xs, x) for x in range(7)]
[0, 1, 2, 2, 4, 5, 5]
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