class Array

# File lib/array_op_custom.rb, line 20
def *(other)
        if self.length >= other.length
                self.each_index do |i|
                        self[i] = other[i] ? self[i] * other[i] : self[i]
                end
        elsif other.length > self.length
                other.each_index do |i|
                        other[i] = self[i] ? self[i] * other[i] : other[i]
                end
        end
end

# File lib/array_op_custom.rb, line 9
def +(other)
        if self.length >= other.length
                self.each_index do |i|
                        self[i] = other[i] ? self[i] + other[i] : self[i]
                end
        elsif other.length > self.length
                other.each_index do |i|
                        other[i] = self[i] ? self[i] + other[i] : other[i]
                end
        end
end

# File lib/array_op_custom.rb, line 31
def -(other)
        if self.length >= other.length
                self.each_index do |i|
                        self[i] = other[i] ? (self[i] - other[i]).abs : self[i]
                end
        elsif other.length > self.length
                other.each_index do |i|
                        other[i] = self[i] ? (self[i] - other[i]).abs : other[i]
                end
        end
end

# File lib/array_op_custom.rb, line 42
def ==(other)
        return self.dup.push(other)
end

# File lib/array_op_custom.rb, line 51
      def to_h
              h = {}
              self.each_with_index do |a, b|
                      h[b.to_s.to_sym] = a
              end
              return h
end

# File lib/array_op_custom.rb, line 45
def to_i
        self.map{|i| i.to_i}
end

# File lib/array_op_custom.rb, line 48
def to_s
        self.map{|i| i.to_s}
end