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CRUXEval / sample_256 / 'dorfunctions', '2'

Problem

Answer published by the source. Consult the official source to check your work against its answer.

code

Code

def f(text, sub):
    a = 0
    b = len(text) - 1

    while a <= b:
        c = (a + b) // 2
        if text.rfind(sub) >= c:
            a = c + 1
        else:
            b = c - 1

    return a

input

'dorfunctions', '2'

Discussion

Discussion

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See answer Answer published by the source

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Source and history

Official source

initial import