#691728 (Crystal) No.438 Cwwプログラミング入門

提出ソース

結果

問題	No.438 Cwwプログラミング入門
ユーザー	yuruhiya
提出日時	2021-08-21 09:34:24
言語	Crystal (1.11.2)
結果	RE
実行時間	-
コード長	8,356 bytes
コンパイル時間	15,302 ms
コンパイル使用メモリ	293,872 KB
実行使用メモリ	5,248 KB
最終ジャッジ日時	2024-10-15 00:45:52
合計ジャッジ時間	19,918 ms
ジャッジサーバーID （参考情報）	judge4 / judge2

このコードへのチャレンジ
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テストケース

テストケース表示

入力	結果	実行時間実行使用メモリ
testcase_00	AC	1 ms 5,248 KB
testcase_01	AC	2 ms 5,248 KB
testcase_02	AC	2 ms 5,248 KB
testcase_03	AC	2 ms 5,248 KB
testcase_04	AC	1 ms 5,248 KB
testcase_05	AC	2 ms 5,248 KB
testcase_06	AC	1 ms 5,248 KB
testcase_07	AC	2 ms 5,248 KB
testcase_08	AC	1 ms 5,248 KB
testcase_09	AC	2 ms 5,248 KB
testcase_10	AC	2 ms 5,248 KB
testcase_11	AC	2 ms 5,248 KB
testcase_12	AC	2 ms 5,248 KB
testcase_13	AC	2 ms 5,248 KB
testcase_14	AC	2 ms 5,248 KB
testcase_15	AC	2 ms 5,248 KB
testcase_16	AC	2 ms 5,248 KB
testcase_17	AC	2 ms 5,248 KB
testcase_18	AC	2 ms 5,248 KB
testcase_19	AC	2 ms 5,248 KB
testcase_20	AC	1 ms 5,248 KB
testcase_21	AC	2 ms 5,248 KB
testcase_22	AC	1 ms 5,248 KB
testcase_23	AC	3 ms 5,248 KB
testcase_24	AC	2 ms 5,248 KB
testcase_25	AC	2 ms 5,248 KB
testcase_26	AC	2 ms 5,248 KB
testcase_27	AC	2 ms 5,248 KB
testcase_28	AC	1 ms 5,248 KB
testcase_29	AC	1 ms 5,248 KB
testcase_30	AC	2 ms 5,248 KB
testcase_31	AC	2 ms 5,248 KB
testcase_32	AC	2 ms 5,248 KB
testcase_33	AC	2 ms 5,248 KB
testcase_34	AC	2 ms 5,248 KB
testcase_35	AC	2 ms 5,248 KB
testcase_36	AC	2 ms 5,248 KB
testcase_37	AC	2 ms 5,248 KB
testcase_38	AC	1 ms 5,248 KB
testcase_39	AC	1 ms 5,248 KB
testcase_40	AC	2 ms 5,248 KB
testcase_41	AC	2 ms 5,248 KB
testcase_42	AC	2 ms 5,248 KB
testcase_43	AC	2 ms 5,248 KB
testcase_44	AC	2 ms 5,248 KB
testcase_45	AC	1 ms 5,248 KB
testcase_46	AC	1 ms 5,248 KB
testcase_47	AC	2 ms 5,248 KB
testcase_48	AC	2 ms 5,248 KB
testcase_49	AC	2 ms 5,248 KB
testcase_50	AC	2 ms 5,248 KB
testcase_51	AC	2 ms 5,248 KB
testcase_52	AC	2 ms 5,248 KB
testcase_53	AC	2 ms 5,248 KB
testcase_54	AC	2 ms 5,248 KB
testcase_55	AC	1 ms 5,248 KB
testcase_56	AC	1 ms 5,248 KB
testcase_57	AC	2 ms 5,248 KB
testcase_58	AC	2 ms 5,248 KB
testcase_59	AC	1 ms 5,248 KB
testcase_60	AC	2 ms 5,248 KB
testcase_61	AC	1 ms 5,248 KB
testcase_62	AC	1 ms 5,248 KB
testcase_63	AC	1 ms 5,248 KB
testcase_64	AC	1 ms 5,248 KB
testcase_65	AC	2 ms 5,248 KB
testcase_66	AC	2 ms 5,248 KB
testcase_67	AC	2 ms 5,248 KB
testcase_68	AC	1 ms 5,248 KB
testcase_69	AC	2 ms 5,248 KB
testcase_70	AC	1 ms 5,248 KB
testcase_71	AC	2 ms 5,248 KB
testcase_72	AC	2 ms 5,248 KB
testcase_73	AC	2 ms 5,248 KB
testcase_74	AC	2 ms 5,248 KB
testcase_75	AC	2 ms 5,248 KB
testcase_76	AC	2 ms 5,248 KB
testcase_77	AC	1 ms 5,248 KB
testcase_78	AC	2 ms 5,248 KB
testcase_79	AC	2 ms 5,248 KB
testcase_80	AC	2 ms 5,248 KB
testcase_81	AC	2 ms 5,248 KB
testcase_82	AC	2 ms 5,248 KB
testcase_83	AC	1 ms 5,248 KB
testcase_84	AC	2 ms 5,248 KB
testcase_85	AC	1 ms 5,248 KB
testcase_86	AC	2 ms 5,248 KB
testcase_87	AC	2 ms 5,248 KB
testcase_88	RE	-
testcase_89	WA	-
testcase_90	AC	2 ms 5,248 KB
testcase_91	RE	-
testcase_92	RE	-
testcase_93	AC	1 ms 5,248 KB
testcase_94	RE	-
testcase_95	WA	-
testcase_96	AC	2 ms 5,248 KB
testcase_97	WA	-
testcase_98	AC	2 ms 5,248 KB
testcase_99	AC	2 ms 5,248 KB
testcase_100	AC	2 ms 5,248 KB

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ソースコード

raw source code

# require "/template"
# require "./tuple/times"
struct Tuple
  def times(&block) : Nil
    {% begin %}
      {% for i in 0...@type.size %}
        {% if @type[i].has_method?(:each) %}
          self[{{i}}].each do |i{{i}}|
        {% else %}
          self[{{i}}].times do |i{{i}}|
        {% end %}
      {% end %}
      yield({% for i in 0...@type.size %} i{{i}}, {% end %})
      {% for i in 0...@type.size %} end {% end %}
    {% end %}
  end

  private class TimesIterator(T)
    include Iterator(T)

    def initialize(@n : T)
      tuple = {% begin %}
                { {% for i in 0...T.size %} T[{{i}}].zero, {% end %} }
              {% end %}
      @index = tuple.as(T)
      @first = true
    end

    def next
      if @first
        @first = false
        return @index
      end
      {% begin %}
        {%
          type = @type.type_vars[0]
          size = type.size
        %}
        {% for i in 1..size %}
          if @index[{{size - i}}] < @n[{{size - i}}] - 1
            @index = {
              {% for j in 0...size %}
                {% if j < size - i %}
                  @index[{{j}}],
                {% elsif j == size - i %}
                  @index[{{j}}] + 1,
                {% else %}
                  {{type[j]}}.zero,
                {% end %}
              {% end %}
            }
            return @index
          end
        {% end %}
        stop
      {% end %}
    end
  end

  def times
    TimesIterator(self).new(self)
  end
end

# require "./comparable/min_max"
module Comparable(T)
  def min(x : T)
    self > x ? x : self
  end

  def max(x : T)
    self < x ? x : self
  end
end

# require "./array/new"
class Array
  def self.new(sizes : Tuple(*T), initial_value) forall T
    {% begin %}
      {% for i in 0...T.size %} Array.new(sizes[{{i}}]) { {% end %}
      initial_value
      {% for i in 0...T.size %} } {% end %}
    {% end %}
  end

  def self.new(sizes : Tuple(*T), &block) forall T
    {% begin %}
      {% for i in 0...T.size %} Array.new(sizes[{{i}}]) { |index{{i}}| {% end %}
      yield({% for i in 0...T.size %} index{{i}}, {% end %})
      {% for i in 0...T.size %} } {% end %}
    {% end %}
  end
end

# require "./array/change"
class Array(T)
  def chmin(i : Int, value : T)
    (self[i] > value).tap do |f|
      self[i] = value if f
    end
  end

  protected def chmin(i : Int, *indexes, value)
    self[i].chmin(*indexes, value: value)
  end

  def chmin(indexes : Tuple, value)
    chmin(*indexes, value: value)
  end

  def chmax(i : Int, value : T)
    (self[i] < value).tap do |f|
      self[i] = value if f
    end
  end

  protected def chmax(i : Int, *indexes, value)
    self[i].chmax(*indexes, value: value)
  end

  def chmax(indexes : Tuple, value)
    chmax(*indexes, value: value)
  end
end

# require "./scanner"
# ### Specifications
#
# ```plain
# Inside input macro                   | Expanded code
# -------------------------------------+---------------------------------------
# Uppercase string: Int32, Int64, etc. | {}.new(Scanner.s)
# s                                    | Scanner.s
# c                                    | Scanner.c
# Other lowercase string: i, i64, etc. | Scanner.s.to_{}
# operator[]: type[size]               | Array.new(input(size)) { input(type) }
# Tuple literal: {t1, t2, t3}          | {input(t1), input(t2), input(t3)}
# Array literal: [t1, t2, t3]          | [input(t1), input(t2), input(t3)]
# Range literal: t1..t2                | input(t1)..input(t2)
# If: cond ? t1 : t2                   | cond ? input(t1) : input(t2)
# Assign: target = value               | target = input(value)
# ```
#
# ### Examples
#
# Input:
# ```plain
# 5 3
# foo bar
# 1 2 3 4 5
# ```
# ```
# n, m = input(Int32, Int64) # => {5, 10i64}
# input(String, Char[m])     # => {"foo", ['b', 'a', 'r']}
# input(Int32[n])            # => [1, 2, 3, 4, 5]
# ```
# ```
# n, m = input(i, i64) # => {5, 10i64}
# input(s, c[m])       # => {"foo", ['b', 'a', 'r']}
# input(i[n])          # => [1, 2, 3, 4, 5]
# ```
#
# Input:
# ```plain
# 2 3
# 1 2 3
# 4 5 6
# ```
#
# ```
# h, w = input(i, i) # => {2, 3}
# input(i[h, w])     # => [[1, 2, 3], [4, 5, 6]]
# ```
# ```
# input(i[i][i]) # => [[1, 2, 3], [4, 5, 6]]
# ```
#
# Input:
# ```plain
# 5 3
# 3 1 4 2 5
# 1 2
# 2 3
# 3 1
# ```
# ```
# n, m = input(i, i)       # => {5, 3}
# input(i.pred[n])         # => [2, 0, 3, 1, 4]
# input({i - 1, i - 1}[m]) # => [{0, 1}, {1, 2}, {2, 0}]
# ```
#
# Input:
# ```plain
# 3
# 1 2
# 2 2
# 3 2
# ```
# ```
# input({tmp = i, tmp == 1 ? i : i.pred}[i]) # => [{1, 2}, {2, 1}, {3, 1}]
# ```
#
# Input:
# ```plain
# 3
# 1 2
# 2 3
# 3 1
# ```
# ```
# n = input(i)
# input_column({Int32, Int32}, n) # => {[1, 2, 3], [2, 3, 1]}
# ```
class Scanner
  private def self.skip_to_not_space
    peek = STDIN.peek
    not_space = peek.index { |x| x != 32 && x != 10 } || peek.size
    STDIN.skip(not_space)
  end

  def self.c
    skip_to_not_space
    STDIN.read_char.not_nil!
  end

  def self.s
    skip_to_not_space

    peek = STDIN.peek
    if index = peek.index { |x| x == 32 || x == 10 }
      STDIN.skip(index + 1)
      return String.new(peek[0, index])
    end

    String.build do |buffer|
      loop do
        buffer.write peek
        STDIN.skip(peek.size)
        peek = STDIN.peek
        break if peek.empty?
        if index = peek.index { |x| x == 32 || x == 10 }
          buffer.write peek[0, index]
          STDIN.skip(index)
          break
        end
      end
    end
  end
end

macro internal_input(type, else_ast)
  {% if Scanner.class.has_method?(type.id) %}
    Scanner.{{type.id}}
  {% elsif type.stringify == "String" %}
    Scanner.s
  {% elsif type.stringify == "Char" %}
    Scanner.c
  {% elsif type.stringify =~ /[A-Z][a-z0-9_]*/ %}
    {{type.id}}.new(Scanner.s)
  {% elsif String.has_method?("to_#{type}".id) %}
    Scanner.s.to_{{type.id}}
  {% else %}
    {{else_ast}}
  {% end %}
end

macro internal_input_array(type, args)
  {% for i in 0...args.size %}
    %size{i} = input({{args[i]}})
  {% end %}
  {% begin %}
    {% for i in 0...args.size %} Array.new(%size{i}) { {% end %}
      input({{type.id}})
    {% for i in 0...args.size %} } {% end %}
  {% end %}
end

macro input(type)
  {% if type.is_a?(Call) %}
    {% if type.receiver.is_a?(Nop) %}
      internal_input(
        {{type.name}}, {{type.name}}(
          {% for argument in type.args %} input({{argument}}), {% end %}
        )
      )
    {% elsif type.name.stringify == "[]" %}
      internal_input_array({{type.receiver}}, {{type.args}})
    {% else %}
      input({{type.receiver}}).{{type.name.id}}(
        {% for argument in type.args %} input({{argument}}), {% end %}
      ) {{type.block}}
    {% end %}
  {% elsif type.is_a?(TupleLiteral) %}
    { {% for i in 0...type.size %} input({{type[i]}}), {% end %} }
  {% elsif type.is_a?(ArrayLiteral) %}
    [ {% for i in 0...type.size %} input({{type[i]}}), {% end %} ]
  {% elsif type.is_a?(RangeLiteral) %}
    Range.new(input({{type.begin}}), input({{type.end}}), {{type.excludes_end?}})
  {% elsif type.is_a?(If) %}
    {{type.cond}} ? input({{type.then}}) : input({{type.else}})
  {% elsif type.is_a?(Assign) %}
    {{type.target}} = input({{type.value}})
  {% else %}
    internal_input({{type.id}}, {{type.id}})
  {% end %}
end

macro input(*types)
  { {% for type in types %} input({{type}}), {% end %} }
end

macro input_column(types, size)
  {% for type, i in types %}
    %array{i} = Array({{type}}).new({{size}})
  {% end %}
  {{size}}.times do
    {% for type, i in types %}
      %array{i} << input({{type}})
    {% end %}
  end
  { {% for type, i in types %} %array{i}, {% end %} }
end

def generate_plus(x_cnt, y_cnt)
  "c" * x_cnt + "w" * y_cnt + "C" * (x_cnt + y_cnt - 1)
end

def generate_minus(x_cnt, y_cnt)
  x_str = "c" * x_cnt.abs + "C" * x_cnt.abs.pred
  y_str = "w" * y_cnt.abs + "C" * y_cnt.abs.pred
  if x_cnt < 0
    x_str + y_str + "W"
  else
    y_str + x_str + "W"
  end
end

x, y, sum = read_line.split.map(&.to_i64)

if sum == 0
  puts "ccW"
  exit
end

MAX_COUNT = 4999
(-MAX_COUNT..MAX_COUNT).each do |x_cnt|
  remain = sum - x * x_cnt
  next if remain % y != 0
  y_cnt = remain // y
  if 1 <= x_cnt.abs + y_cnt.abs <= MAX_COUNT
    if x_cnt >= 0 && y_cnt >= 0
      puts generate_plus(x_cnt, y_cnt)
    else
      puts generate_minus(x_cnt, y_cnt)
    end
    exit
  end
end
puts "NO"

yukicoder

結果

テストケース

ソースコード