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finally done max frequncy in string in n time complexcity #25

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merged 1 commit into from
Feb 7, 2023
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finally done max frequncy in string in n time complexcity #25

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12 changes: 7 additions & 5 deletions Ruby/count_max_letter_in_array.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,13 @@

# Name: Shoaib Sabir
# Username: Shoaib019
# Approach:
# Approach: take hash and initialize it with zero run loop over string
# increase count every time in hash key which is character
# then use max_by built in method to find letter with max count
def find_max_frequency_character(str)
arr = [nil, nil]
str.each_char_with_index do |ch, idx|
# do from here

hash = Hash.new(0)
str.each_char do |ch|
hash[ch] += 1
end
hash.max_by { |_, v| v }.first
end