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hamajyotan/q4

Created May 22, 2015 18:22
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Five programming problems every Software Engineer should be able to solve in less than 1 hour
Raw
q4
def f *args
args.map(&:to_s).permutation.map { |x| x.join.to_i }.max
end
Raw
q5
def f *args
["", "+", "-"].repeated_permutation(args.size-1).each do |op|
args.map(&:to_s).zip(op).join.tap { |s| puts s if eval(s) == 100 }
end
end
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http://www.softantenna.com/wp/software/5-programming-problems/

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