Question

How to split digits of an integer into an array of digits in Ruby

Answer 1

n = 837

arr = n.to_s.split('').map { |digit| digit.to_i }

print arr



 
 
#
# run:
# 
# [8, 3, 7]
#

 

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Answer 2

n = 837
   
arr = n.digits.reverse()
 
print arr
   
   
   
    
    
#
# run:
# 
# [8, 3, 7]
#

 

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Get The Secret to a Bright and Healthy Smile