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July 28, 2018 19:07
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FizzBuzz, in increasing levels of cleverness + obfuscation
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def fizzbuzz (n): | |
fizz = n % 3 == 0 | |
buzz = n % 5 == 0 | |
if fizz and buzz: | |
return "FizzBuzz" | |
elif fizz: | |
return "Fizz" | |
elif buzz: | |
return "Buzz" | |
else: | |
return str(n) | |
print(list(map(fizzbuzz, range(1, 100 + 1)))) | |
fizzbuzz = lambda n: [[ | |
"FizzBuzz", "Fizz", "Buzz", str(n) | |
][ (0 if (n % 3) == 0 else 1) + | |
(0 if (n % 5) == 0 else 2) ] | |
for n in range(1, n + 1) ] | |
print(fizzbuzz(100)) | |
def fizzbuzz (): | |
sieve = [ 0 ] * 15 | |
for x in range(0, 15, 3): | |
sieve[x] += 1 | |
for x in range(0, 15, 5): | |
sieve[x] += 2 | |
def fizzbuzz (n): | |
return [ "{n}", "Fizz", "Buzz", "FizzBuzz" ][sieve[n % 15]].format(**locals()) | |
return lambda n: list(map(fizzbuzz, range(1, n + 1))) | |
fizzbuzz = fizzbuzz() | |
print(fizzbuzz(100)) | |
def fizzbuzz (): | |
fill = lambda s, k, v: [ x + v if i % k == 0 else x for i, x in enumerate(s) ] | |
s = fill(fill([ 0 ] * 15, 3, 1), 5, 2) | |
def fizzbuzz (n): | |
return [ "{n}", "Fizz", "Buzz", "FizzBuzz" ][s[n % 15]].format(**locals()) | |
return lambda n: list(map(fizzbuzz, range(1, n + 1))) | |
fizzbuzz = fizzbuzz() | |
print(fizzbuzz(100)) | |
def fizzbuzz (): | |
fill = lambda s, k, v: [ x + v if i % k == 0 else x for i, x in enumerate(s) ] | |
s = fill(fill([ 0 ] * 15, 3, 1), 5, 2) | |
return lambda n: [[ str(n), "Fizz", "Buzz", "FizzBuzz" ][s[n % 15]] for n in range(1, n + 1)] | |
def fizzbuzz (n): | |
return [ "{n}", "Fizz", "Buzz", "FizzBuzz" ][s[n % 15]].format(**locals()) | |
return lambda n: list(map(fizzbuzz, range(1, n + 1))) | |
fizzbuzz = fizzbuzz() | |
print(fizzbuzz(100)) | |
def fizzbuzz (): | |
def branch (n): | |
l = [ (n - 1) >> 1 ] + [ 0 ] * (n - 1) | |
return lambda p: p[1] + l[p[0] % n] | |
fill = lambda xs, n: list(map(branch(n), enumerate(xs))) | |
xs = fill(fill([ 0 ] * 15, 3), 5) | |
return lambda n: [[ "{n}", "Fizz", "Buzz", "FizzBuzz" ][xs[n % 15]]. | |
format(**locals()) | |
for n in range(1, n + 1) | |
] | |
fizzbuzz = fizzbuzz() | |
print(fizzbuzz(100)) |
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['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', 'Fizz', '52', '53', 'Fizz', 'Buzz', '56', 'Fizz', '58', '59', 'FizzBuzz', '61', '62', 'Fizz', '64', 'Buzz', 'Fizz', '67', '68', 'Fizz', 'Buzz', '71', 'Fizz', '73', '74', 'FizzBuzz', '76', '77', 'Fizz', '79', 'Buzz', 'Fizz', '82', '83', 'Fizz', 'Buzz', '86', 'Fizz', '88', '89', 'FizzBuzz', '91', '92', 'Fizz', '94', 'Buzz', 'Fizz', '97', '98', 'Fizz', 'Buzz'] | |
['1', '2', 'Buzz', '4', 'Fizz', 'Buzz', '7', '8', 'Buzz', 'Fizz', '11', 'Buzz', '13', '14', 'FizzBuzz', '16', '17', 'Buzz', '19', 'Fizz', 'Buzz', '22', '23', 'Buzz', 'Fizz', '26', 'Buzz', '28', '29', 'FizzBuzz', '31', '32', 'Buzz', '34', 'Fizz', 'Buzz', '37', '38', 'Buzz', 'Fizz', '41', 'Buzz', '43', '44', 'FizzBuzz', '46', '47', 'Buzz', '49', 'Fizz', 'Buzz', '52', '53', 'Buzz', 'Fizz', '56', 'Buzz', '58', '59', 'FizzBuzz', '61', '62', 'Buzz', '64', 'Fizz', 'Buzz', '67', '68', 'Buzz', 'Fizz', '71', 'Buzz', '73', '74', 'FizzBuzz', '76', '77', 'Buzz', '79', 'Fizz', 'Buzz', '82', '83', 'Buzz', 'Fizz', '86', 'Buzz', '88', '89', 'FizzBuzz', '91', '92', 'Buzz', '94', 'Fizz', 'Buzz', '97', '98', 'Buzz', 'Fizz'] | |
['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', 'Fizz', '52', '53', 'Fizz', 'Buzz', '56', 'Fizz', '58', '59', 'FizzBuzz', '61', '62', 'Fizz', '64', 'Buzz', 'Fizz', '67', '68', 'Fizz', 'Buzz', '71', 'Fizz', '73', '74', 'FizzBuzz', '76', '77', 'Fizz', '79', 'Buzz', 'Fizz', '82', '83', 'Fizz', 'Buzz', '86', 'Fizz', '88', '89', 'FizzBuzz', '91', '92', 'Fizz', '94', 'Buzz', 'Fizz', '97', '98', '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', 'Fizz', '52', '53', 'Fizz', 'Buzz', '56', 'Fizz', '58', '59', 'FizzBuzz', '61', '62', 'Fizz', '64', 'Buzz', 'Fizz', '67', '68', 'Fizz', 'Buzz', '71', 'Fizz', '73', '74', 'FizzBuzz', '76', '77', 'Fizz', '79', 'Buzz', 'Fizz', '82', '83', 'Fizz', 'Buzz', '86', 'Fizz', '88', '89', 'FizzBuzz', '91', '92', 'Fizz', '94', 'Buzz', 'Fizz', '97', '98', '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', 'Fizz', '52', '53', 'Fizz', 'Buzz', '56', 'Fizz', '58', '59', 'FizzBuzz', '61', '62', 'Fizz', '64', 'Buzz', 'Fizz', '67', '68', 'Fizz', 'Buzz', '71', 'Fizz', '73', '74', 'FizzBuzz', '76', '77', 'Fizz', '79', 'Buzz', 'Fizz', '82', '83', 'Fizz', 'Buzz', '86', 'Fizz', '88', '89', 'FizzBuzz', '91', '92', 'Fizz', '94', 'Buzz', 'Fizz', '97', '98', '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', 'Fizz', '52', '53', 'Fizz', 'Buzz', '56', 'Fizz', '58', '59', 'FizzBuzz', '61', '62', 'Fizz', '64', 'Buzz', 'Fizz', '67', '68', 'Fizz', 'Buzz', '71', 'Fizz', '73', '74', 'FizzBuzz', '76', '77', 'Fizz', '79', 'Buzz', 'Fizz', '82', '83', 'Fizz', 'Buzz', '86', 'Fizz', '88', '89', 'FizzBuzz', '91', '92', 'Fizz', '94', 'Buzz', 'Fizz', '97', '98', 'Fizz', 'Buzz'] | |
[Finished in 0.5s] |
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Obviously, the last example is more efficient b/c it's branchless :P