18 lines
372 B
Python
18 lines
372 B
Python
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def binary_search_first_true(predicate, from_inclusive, to_inclusive):
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lo = from_inclusive - 1
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hi = to_inclusive + 1
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while hi - lo > 1:
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mid = (lo + hi) // 2
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if not predicate(mid):
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lo = mid
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else:
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hi = mid
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return hi
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def test():
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assert 4 == binary_search_first_true(lambda x: x * x >= 10, 0, 10)
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test()
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