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diegommarino/hash_table_loop_example.rb

Created April 4, 2018 16:06
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Hash table example
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hash_table_loop_example.rb
def checkSum(arr, s)
hashArr = Hash[arr.each_with_index.collect { |v,i| [v,i] }]
puts hashArr
arr.each do |v|
return true unless hashArr[s-v].nil?
end
false
end
puts "Input the array (ex: 1,2,3,4,5)"
a = gets.split(',').map{ |v| v.to_i }
puts "Input the sum to check"
s = gets.to_i
puts checkSum(a, s)
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