結果

問題 No.1703 Much Matching
ユーザー te-shte-sh
提出日時 2022-02-03 16:29:03
言語 Crystal
(1.11.2)
結果
AC  
実行時間 245 ms / 2,000 ms
コード長 5,851 bytes
コンパイル時間 19,203 ms
コンパイル使用メモリ 262,056 KB
実行使用メモリ 10,044 KB
最終ジャッジ日時 2023-09-02 03:19:28
合計ジャッジ時間 25,444 ms
ジャッジサーバーID
(参考情報)
judge15 / judge11
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 3 ms
4,432 KB
testcase_01 AC 2 ms
4,456 KB
testcase_02 AC 2 ms
4,396 KB
testcase_03 AC 7 ms
7,032 KB
testcase_04 AC 5 ms
5,588 KB
testcase_05 AC 9 ms
8,220 KB
testcase_06 AC 69 ms
6,568 KB
testcase_07 AC 6 ms
5,232 KB
testcase_08 AC 82 ms
8,532 KB
testcase_09 AC 83 ms
8,556 KB
testcase_10 AC 15 ms
5,348 KB
testcase_11 AC 25 ms
7,916 KB
testcase_12 AC 6 ms
5,232 KB
testcase_13 AC 36 ms
6,208 KB
testcase_14 AC 3 ms
4,844 KB
testcase_15 AC 24 ms
8,696 KB
testcase_16 AC 45 ms
6,284 KB
testcase_17 AC 50 ms
5,952 KB
testcase_18 AC 4 ms
4,872 KB
testcase_19 AC 101 ms
8,096 KB
testcase_20 AC 14 ms
5,168 KB
testcase_21 AC 125 ms
9,392 KB
testcase_22 AC 59 ms
8,284 KB
testcase_23 AC 42 ms
6,936 KB
testcase_24 AC 4 ms
4,944 KB
testcase_25 AC 9 ms
6,000 KB
testcase_26 AC 34 ms
8,132 KB
testcase_27 AC 54 ms
6,224 KB
testcase_28 AC 110 ms
9,612 KB
testcase_29 AC 27 ms
7,856 KB
testcase_30 AC 35 ms
7,540 KB
testcase_31 AC 7 ms
5,500 KB
testcase_32 AC 58 ms
7,348 KB
testcase_33 AC 46 ms
8,564 KB
testcase_34 AC 6 ms
5,184 KB
testcase_35 AC 14 ms
5,612 KB
testcase_36 AC 245 ms
9,952 KB
testcase_37 AC 14 ms
10,044 KB
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ソースコード

diff #

def solve(io)
  n, m, q = io.get3

  c = Array.new_md(n+1, m+1, false)
  q.times do
    ai, bi = io.get2
    c[ai][bi] = true
  end

  dp = Array.new_md(n+1, m+1, 0)
  (n+1).times do |i|
    (m+1).times do |j|
      max_u(dp[i][j], dp[i-1][j]) if i > 0
      max_u(dp[i][j], dp[i][j-1]) if j > 0
      max_u(dp[i][j], dp[i-1][j-1]+1) if i > 0 && j > 0 && c[i][j]
    end
  end

  io.put dp[n][m]
end

class ProconIO
  def initialize(@ins : IO = STDIN, @outs : IO = STDOUT)
    @buf = IO::Memory.new("")
  end

  def get(k : T.class = Int32) forall T
    get_v(k)
  end

  macro define_get
    {% for i in (2..9) %}
      def get({{ *(1..i).map { |j| "k#{j}".id } }})
        { {{ *(1..i).map { |j| "get(k#{j})".id } }} }
      end
    {% end %}
  end
  define_get

  macro define_getn
    {% for i in (2..9) %}
      def get{{i}}(k : T.class = Int32) forall T
        get({{ *(1..i).map { "k".id } }})
      end
    {% end %}
  end
  define_getn

  def get_a(n : Int, k : T.class = Int32) forall T
    Array.new(n) { get_v(k) }
  end

  def get_c(n : Int, k : T.class = Int32) forall T
    get_a(n, k)
  end

  macro define_get_t
    {% for i in (2..9) %}
      def get_t(n : Int, {{ *(1..i).map { |j| "k#{j}".id } }})
        Array.new(n) { get({{ *(1..i).map { |j| "k#{j}".id } }}) }
      end
    {% end %}
  end
  define_get_t

  macro define_getn_t
    {% for i in (2..9) %}
      def get{{i}}_t(n : Int, k : T.class = Int32) forall T
        get_t(n, {{ *(1..i).map { "k".id } }})
      end
    {% end %}
  end
  define_getn_t

  macro define_get_c
    {% for i in (2..9) %}
      def get_c(n : Int, {{ *(1..i).map { |j| "k#{j}".id } }})
        a = get_t(n, {{ *(1..i).map { |j| "k#{j}".id } }})
        { {{ *(1..i).map { |j| "a.map { |e| e[#{j-1}] }".id } }} }
      end
    {% end %}
  end
  define_get_c

  macro define_getn_c
    {% for i in (2..9) %}
      def get{{i}}_c(n : Int, k : T.class = Int32) forall T
        get_c(n, {{ *(1..i).map { "k".id } }})
      end
    {% end %}
  end
  define_getn_c

  def get_m(r : Int, c : Int, k : T.class = Int32) forall T
    Array.new(r) { get_a(c, k) }
  end

  def put(*v)
    @outs.puts(*v)
  end

  def put_e(*v)
    put(*v)
    exit
  end

  def put_a(*v)
    put_d(*v, delimiter: ' ')
  end

  def put_ae(*v)
    put_a(*v)
    exit
  end

  def put_c(*v)
    put_d(*v, delimiter: '\n')
  end

  def put_ce(*v)
    put_c(*v)
    exit
  end

  def put_d(*v, delimiter)
    v.each_with_index do |vi, i|
      vi.each_with_index do |vij, j|
        @outs.print vij
        @outs.print delimiter if j < vi.size - 1
      end
      @outs.print delimiter if i < v.size - 1
    end
    @outs.puts
  end


  private def get_v(k : String.class); get_token; end
  private def get_v(k : Int32.class); get_token.to_i32; end
  private def get_v(k : Int64.class); get_token.to_i64; end

  private def get_token
    loop do
      token = @buf.gets(' ', chomp: true)
      break token unless token.nil?
      @buf = IO::Memory.new(@ins.read_line)
    end
  end
end
macro min_u(a, b)
  {{a}} = { {{a}}, {{b}} }.min
end

macro max_u(a, b)
  {{a}} = { {{a}}, {{b}} }.max
end

macro records(rec, a)
  {{a}}.map { |v| {{rec}}.new(*v) }
end
struct Number
  {% if compare_versions(env("CRYSTAL_VERSION") || "0.0.0", "1.1.0") < 0 %}
    def zero?
      self == 0
    end

    def positive?
      self > 0
    end

    def negative?
      self < 0
    end
  {% end %}

  {% if compare_versions(env("CRYSTAL_VERSION") || "0.0.0", "0.36.0") < 0 %}
    def self.additive_identity
      zero
    end

    def self.multiplicative_identity
      new(1)
    end
  {% end %}
end
struct Int
  def cdiv(b : Int)
    (self + b - 1) // b
  end

  def bit?(i : Int)
    bit(i) == 1
  end

  def set_bit(i : Int)
    self | (self.class.new(1) << i)
  end

  def reset_bit(i : Int)
    self & ~(self.class.new(1) << i)
  end

  {% if compare_versions(env("CRYSTAL_VERSION") || "0.0.0", "0.35.0") < 0 %}
    def digits(base = 10)
      raise ArgumentError.new("Invalid base #{base}") if base < 2
      raise ArgumentError.new("Can't request digits of negative number") if self < 0
      return [0] if self == 0

      num = self
      digits_count = (Math.log(self.to_f + 1) / Math.log(base)).ceil.to_i
      ary = Array(Int32).new(digits_count)
      while num != 0
        ary << num.remainder(base).to_i
        num = num.tdiv(base)
      end
      ary
    end
  {% end %}

  {% if compare_versions(env("CRYSTAL_VERSION") || "0.0.0", "0.34.0") < 0 %}
    def bit_length : Int32
      x = self < 0 ? ~self : self

      if x.is_a?(Int::Primitive)
        Int32.new(sizeof(self) * 8 - x.leading_zeros_count)
      else
        to_s(2).size
      end
    end
  {% end %}
end
class Array
  macro new_md(*args, &block)
    {% if !block %}
      {% for arg, i in args[0...-2] %}
        Array.new({{arg}}) {
      {% end %}
      Array.new({{args[-2]}}, {{args[-1]}})
      {% for arg in args[0...-2] %}
        }
      {% end %}
    {% else %}
      {% for arg, i in args %}
        Array.new({{arg}}) { |_i{{i}}|
      {% end %}
      {% for block_arg, i in block.args %}
        {{block_arg}} = _i{{i}}
      {% end %}
      {{block.body}}
      {% for arg in args %}
        }
      {% end %}
    {% end %}
  end
end
module Math
  {% if compare_versions(env("CRYSTAL_VERSION") || "0.0.0", "1.2.0") < 0 %}
    def isqrt(value : Int::Primitive)
      raise ArgumentError.new "Input must be non-negative integer" if value < 0
      return value if value < 2
      res = value.class.zero
      bit = res.succ << (res.leading_zeros_count - 2)
      bit >>= value.leading_zeros_count & ~0x3
      while (bit != 0)
        if value >= res + bit
          value -= res + bit
          res = (res >> 1) + bit
        else
          res >>= 1
        end
        bit >>= 2
      end
      res
    end
  {% end %}
end

solve(ProconIO.new)
0