class Atcoder148A::Function
Attributes
a[R]
b[R]
Public Class Methods
new(a ,b)
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# File lib/atcoder_148_a.rb, line 13 def initialize(a ,b) @a = a @b = b raise Error.new('invalid arguments') if ([1, 2, 3] & [@a, @b]).length == 0 end
Public Instance Methods
solve()
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# File lib/atcoder_148_a.rb, line 20 def solve ([1, 2, 3] - [@a, @b]).first end