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https://github.com/TheAlgorithms/Ruby
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34 lines
679 B
Ruby
34 lines
679 B
Ruby
# A ruby program to add numbers
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# Addition or sum of numbers means adding each and every element of the inputs
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# Sum or addition of 1 and 3 is 1 + 3 = 4
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def add(*array)
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sum = 0
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array.each { |a| sum += a }
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puts "The sum of following elements #{array} is #{sum}"
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rescue StandardError
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puts 'Error: Please provide number only!'
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end
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#
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# Valid inputs
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#
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puts add(1)
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# The sum of following elements [1] is 1
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puts add(2, 5, -4)
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# The sum of following elements [2, 5, -4] is 3
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puts add(25, 45)
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# The sum of following elements [25, 45] is 70
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#
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# Invalid inputs
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#
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puts add('1', 2, 3)
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# Error: Please provide number only!
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puts add('a', 1)
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# Error: Please provide number only!
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