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formatting solution for better readability

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Vitor Oliveira 2021-09-03 12:48:40 -07:00 • committed by GitHub
parent 5ca172acab
commit ef00820c02
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1 changed files with 11 additions and 9 deletions
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20
maths/3nPlus1.rb
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@ -8,20 +8,22 @@
def collatz_conjecture(number) def collatz_conjecture(number)
n = number n = number
nums = Array.new nums = []
nums.push number nums.push(number)
while number > 1 while number > 1
if number % 2 == 0 if number.even?
number /= 2 number /= 2
nums.push number nums.push number
else else
number = 3 * number + 1 number = 3 * number + 1
nums.push number nums.push(number)
end end
end end
"The 3N + 1 series of #{n} is #{nums.to_s}."
rescue "The 3N + 1 series of #{n} is #{nums}."
"Error: Please provide number only!" rescue StandardError
'Error: Please provide number only!'
end end
# Valid inputs # Valid inputs
@ -35,8 +37,8 @@ puts collatz_conjecture(100)
# The 3N + 1 series of 100 is [100, 50, 25, 76, 38, 19, 58, 29, 88, 44, 22, 11, 34, 17, 52, 26, 13, 40, 20, 10, 5, 16, 8, 4, 2, 1]. # The 3N + 1 series of 100 is [100, 50, 25, 76, 38, 19, 58, 29, 88, 44, 22, 11, 34, 17, 52, 26, 13, 40, 20, 10, 5, 16, 8, 4, 2, 1].
# Invalid inputs # Invalid inputs
puts collatz_conjecture("12") puts collatz_conjecture('12')
# Error: Please provide number only! # Error: Please provide number only!
puts collatz_conjecture("a") puts collatz_conjecture('a')
# Error: Please provide number only! # Error: Please provide number only!