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109 lines
3.4 KiB
Markdown
109 lines
3.4 KiB
Markdown
---
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id: 68ffb91507a5b645769328cb
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title: "Challenge 108: BuzzFizz"
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challengeType: 29
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dashedName: challenge-108
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---
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# --description--
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Given an array, determine if it is a correct FizzBuzz sequence from 1 to the last item in the array. A sequence is correct if:
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- Numbers that are multiples of 3 are replaced with "Fizz"
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- Numbers that are multiples of 5 are replaced with "Buzz"
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- Numbers that are multiples of both 3 and 5 are replaced with "FizzBuzz"
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- All other numbers remain as integers in ascending order, starting from 1.
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- The array must start at 1 and have no missing or extra elements.
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# --hints--
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`is_fizz_buzz([1, 2, "Fizz", 4])` should return `True`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_fizz_buzz([1, 2, "Fizz", 4]), True)`)
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}})
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```
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`is_fizz_buzz([1, 2, 3, 4])` should return `False`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_fizz_buzz([1, 2, 3, 4]), False)`)
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}})
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```
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`is_fizz_buzz([1, 2, "Fizz", 4, "Buzz", 7])` should return `False`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_fizz_buzz([1, 2, "Fizz", 4, "Buzz", 7]), False)`)
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}})
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```
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`is_fizz_buzz([1, 2, "Fizz", 4, "Buzz", "Fizz", 7, 8, "Fizz", "Buzz", 11, "Fizz", 13, "FizzBuzz"])` should return `False`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_fizz_buzz([1, 2, "Fizz", 4, "Buzz", "Fizz", 7, 8, "Fizz", "Buzz", 11, "Fizz", 13, "FizzBuzz"]), False)`)
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}})
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```
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`is_fizz_buzz([1, 2, "Fizz", 4, "Buzz", "Fizz", 7, 8, "Fizz", "Buzz", 11, "Fizz", 13, "Fizz"])` should return `False`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_fizz_buzz([1, 2, "Fizz", 4, "Buzz", "Fizz", 7, 8, "Fizz", "Buzz", 11, "Fizz", 13, "Fizz"]), False)`)
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}})
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```
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`is_fizz_buzz([1, 2, "Fizz", 4, "Buzz", "Fizz", 7, 8, "Fizz", "Buzz", 11, "Fizz", 13, "Buzz"])` should return `False`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_fizz_buzz([1, 2, "Fizz", 4, "Buzz", "Fizz", 7, 8, "Fizz", "Buzz", 11, "Fizz", 13, "Buzz"]), False)`)
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}})
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```
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`is_fizz_buzz([1, 2, "Fizz", 4, "Buzz", "Fizz", 7, 8, "Fizz", "Buzz", 11, "Fizz", 13, 14, "FizzBuzz", 16, 17, "Fizz", 19, "Buzz", "Fizz", 22, 23, "Fizz", "Buzz", 26, "Fizz", 28, 29, "FizzBuzz", 31, 32, "Fizz", 34, "Buzz", "Fizz", 37, 38, "Fizz", "Buzz", 41, "Fizz", 43, 44, "FizzBuzz", 46, 47, "Fizz", 49, "Buzz"])` should return `True`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_fizz_buzz([1, 2, "Fizz", 4, "Buzz", "Fizz", 7, 8, "Fizz", "Buzz", 11, "Fizz", 13, 14, "FizzBuzz", 16, 17, "Fizz", 19, "Buzz", "Fizz", 22, 23, "Fizz", "Buzz", 26, "Fizz", 28, 29, "FizzBuzz", 31, 32, "Fizz", 34, "Buzz", "Fizz", 37, 38, "Fizz", "Buzz", 41, "Fizz", 43, 44, "FizzBuzz", 46, 47, "Fizz", 49, "Buzz"]), True)`)
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}})
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```
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# --seed--
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## --seed-contents--
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```py
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def is_fizz_buzz(sequence):
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return sequence
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```
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# --solutions--
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```py
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def is_fizz_buzz(sequence):
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for i, val in enumerate(sequence):
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n = i + 1
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if n % 15 == 0 and val != "FizzBuzz":
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return False
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if n % 3 == 0 and n % 5 != 0 and val != "Fizz":
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return False
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if n % 5 == 0 and n % 3 != 0 and val != "Buzz":
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return False
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if n % 3 != 0 and n % 5 != 0 and val != n:
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return False
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return True
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```
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