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use elsif instead

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Vitor Oliveira 2021-04-28 18:33:20 -07:00 committed by GitHub
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commit 6e70556e39
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1 changed files with 4 additions and 5 deletions
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7
maths/factorial_non_recursive_non_iterative.rb
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@ -9,12 +9,11 @@
def factorial(number)
if number < 0
"Please check your input number! The given number is a negative number."
else
if number == 0
elsif number == 0
"The factorial of #{number} is 1."
else
"The factorial of #{number} is #{(1..number).inject(:*)}."
end
result = (1..number).inject(:*)
"The factorial of #{number} is #{result}."
end
rescue
"Error: Please provide integer only!"