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Add solution using delete_if Ruby method

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Jessica Kwok 2021-03-15 09:52:22 -07:00
parent 9429ae92c1
commit ba03727fb6
1 changed files with 13 additions and 2 deletions
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15
data_structures/arrays/remove_elements.rb
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@ -14,5 +14,16 @@
# Output: 5, nums = [0,1,4,0,3] # Output: 5, nums = [0,1,4,0,3]
# #
# Approach 1: Brute Force # Approach 1: Use `delete_if` Ruby method
# #
# Time complexity: O(n)
#
def remove_elements(nums, val)
nums.delete_if{ |num| num == val }
nums.length
end
puts remove_elements([3,2,2,3], 3)
# => 2
puts remove_elements([0,1,2,2,3,0,4,2], 2)
# => 5