Problem 379. Chromatic Tuner

Given a frequency, return the number of cents difference between the given frequency and its nearest semitone (in 12-tone equal temperament with A440) as well as the semitone it is closest to (in scientific pitch notation, using # for sharp and using natural pitches whenever possible) with A440 referring to A4. Refer to the wikipedia articles below for more information.


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31.58% Correct | 68.42% Incorrect
Last Solution submitted on Jun 18, 2020

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