Списъци от символи с %i( foo bar baz )

Програмиране с Ruby

Курс във Факултета по Математика и Информатика към СУ

Решение на Втора задача от Атанас Цанков

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Към профила на Атанас Цанков

Резултати

  • 6 точки от тестове
  • 0 бонус точки
  • 6 точки общо
  • 24 успешни тест(а)
  • 0 неуспешни тест(а)

Код

require 'set'
class NumberSet
include Enumerable
def initialize
@complex_values_set = Set.new
@actual_values_set = Set.new
end
def <<(actual_value)
if actual_value.to_c.imag == 0
complex_value = Complex(actual_value.to_f, 0.to_f)
else
complex_value = Complex(actual_value.real.to_f, actual_value.imag.to_f)
end
size_before_add = @complex_values_set.count
@complex_values_set << complex_value
unless size_before_add == @complex_values_set.count
@actual_values_set << actual_value
end
end
def [](filter)
number_set = NumberSet.new
each do |item|
if filter.get_query.condition_satisfied?(item)
number_set << item
end
end
number_set
end
def each(&block)
@actual_values_set.each(&block)
end
def size
count
end
def empty?
any? ? false : true
end
end
module BaseFilter
def get_query()
@query
end
def &(filter)
old_query = Query.new
old_query.set_function(@query.get_function)
old_query.set_properties(@query.get_first, @query.get_second, @query.add?)
@query.set_properties(old_query, filter.get_query, true)
@query.set_function(nil)
self
end
def |(filter)
old_query = Query.new
old_query.set_function(@query.get_function)
old_query.set_properties(@query.get_first, @query.get_second, @query.add?)
@query.set_properties(old_query, filter.get_query, false)
@query.set_function(nil)
self
end
end
class SignFilter
include BaseFilter
def initialize(type)
@query = Query.new
case type
when :positive then @query.set_function(-> (number) {number > 0})
when :negative then @query.set_function(-> (number) {number < 0})
when :non_positive then @query.set_function(-> (number) {number <= 0})
when :non_negative then @query.set_function(-> (number) {number >= 0})
end
end
end
class TypeFilter
include BaseFilter
def initialize(type)
@query = Query.new
case type
when :integer then @query.set_function(-> (n) {n.class.name == "Fixnum"})
when :real then @query.set_function(-> (n) do
n.class.name == "Float" || n.class.name == "Rational"
end)
when :complex then @query.set_function(-> (n) {n.class.name == "Complex"})
end
end
end
class Filter
include BaseFilter
def initialize(&block)
@query = Query.new
@query.set_function(block)
end
end
class Query
def initialize
@add = true
end
def set_properties(first_query, second_query, is_add)
@first = first_query
@second = second_query
@add = is_add
end
def get_first
@first
end
def get_second
@second
end
def add?
@add
end
def set_function(function_to_set)
@function = function_to_set
end
def get_function
@function
end
def condition_satisfied?(n)
if get_function != nil
get_function.(n)
else
if add?
get_first.condition_satisfied?(n) && get_second.condition_satisfied?(n)
else
get_first.condition_satisfied?(n) || get_second.condition_satisfied?(n)
end
end
end
end

Лог от изпълнението

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Finished in 0.02662 seconds
24 examples, 0 failures

История (1 версия и 1 коментар)

Атанас обнови решението на 26.10.2014 21:34 (преди над 9 години)

+require 'set'
+class NumberSet
+ include Enumerable
+
+ def initialize
+ @complex_values_set = Set.new
+ @actual_values_set = Set.new
+ end
+
+ def <<(actual_value)
+ if actual_value.to_c.imag == 0
+ complex_value = Complex(actual_value.to_f, 0.to_f)
+ else
+ complex_value = Complex(actual_value.real.to_f, actual_value.imag.to_f)
+ end
+ size_before_add = @complex_values_set.count
+ @complex_values_set << complex_value
+ unless size_before_add == @complex_values_set.count
+ @actual_values_set << actual_value
+ end
+ end
+
+ def [](filter)
+ number_set = NumberSet.new
+ each do |item|
+ if filter.get_query.condition_satisfied?(item)
+ number_set << item
+ end
+ end
+ number_set
+ end
+
+ def each(&block)
+ @actual_values_set.each(&block)
+ end
+
+ def size
+ count
+ end
+
+ def empty?
+ any? ? false : true
+ end
+end
+
+module BaseFilter
+
+ def get_query()
+ @query
+ end
+
+ def &(filter)
+ old_query = Query.new
+ old_query.set_function(@query.get_function)
+ old_query.set_properties(@query.get_first, @query.get_second, @query.add?)
+ @query.set_properties(old_query, filter.get_query, true)
+ @query.set_function(nil)
+ self
+ end
+
+ def |(filter)
+ old_query = Query.new
+ old_query.set_function(@query.get_function)
+ old_query.set_properties(@query.get_first, @query.get_second, @query.add?)
+ @query.set_properties(old_query, filter.get_query, false)
+ @query.set_function(nil)
+ self
+ end
+end
+
+class SignFilter
+ include BaseFilter
+
+ def initialize(type)
+ @query = Query.new
+ case type
+ when :positive then @query.set_function(-> (number) {number > 0})
+ when :negative then @query.set_function(-> (number) {number < 0})
+ when :non_positive then @query.set_function(-> (number) {number <= 0})
+ when :non_negative then @query.set_function(-> (number) {number >= 0})
+ end
+ end
+end
+
+class TypeFilter
+ include BaseFilter
+
+ def initialize(type)
+ @query = Query.new
+ case type
+ when :integer then @query.set_function(-> (n) {n.class.name == "Fixnum"})
+ when :real then @query.set_function(-> (n) do
+ n.class.name == "Float" || n.class.name == "Rational"
+ end)
+ when :complex then @query.set_function(-> (n) {n.class.name == "Complex"})
+ end
+ end
+end
+
+class Filter
+ include BaseFilter
+
+ def initialize(&block)
+ @query = Query.new
+ @query.set_function(block)
+ end
+end
+
+class Query
+
+ def initialize
+ @add = true
+ end
+
+ def set_properties(first_query, second_query, is_add)
+ @first = first_query
+ @second = second_query
+ @add = is_add
+ end
+
+ def get_first
+ @first
+ end
+
+ def get_second
+ @second
+ end
+
+ def add?
+ @add
+ end
+
+ def set_function(function_to_set)
+ @function = function_to_set
+ end
+
+ def get_function
+ @function
+ end
+
+ def condition_satisfied?(n)
+ if get_function != nil
+ get_function.(n)
+ else
+ if add?
+ get_first.condition_satisfied?(n) && get_second.condition_satisfied?(n)
+ else
+ get_first.condition_satisfied?(n) || get_second.condition_satisfied?(n)
+ end
+ end
+ end
+end