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January 9, 2016 00:52
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using ruby code to get the maximum value within a one dimensional array (LIGHTHOUSE WEB DEV BOOTCAMP)
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# Find the maximum | |
def maximum(arr) | |
max = arr[0] | |
arr.each do |child| | |
if child > max | |
max = child | |
end | |
end | |
max | |
end | |
result = maximum([2, 42, 22, 02]) | |
puts "max of 2, 42, 22, 02 is: #{result}" | |
# expect it to return nil when empty array is passed in | |
result = maximum([]) | |
puts "max on empty set is: #{result.inspect}" | |
result = maximum([-23, 0, -3]) | |
puts "max of -23, 0, -3 is: #{result}" | |
result = maximum([6]) | |
puts "max of just 6 is: #{result}" |
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