結果

問題 No.1646 Avoid Palindrome
ユーザー te-shte-sh
提出日時 2021-08-13 22:22:00
言語 Crystal
(1.11.2)
結果
WA  
実行時間 -
コード長 8,434 bytes
コンパイル時間 13,810 ms
コンパイル使用メモリ 307,004 KB
実行使用メモリ 441,596 KB
最終ジャッジ日時 2024-04-14 18:35:50
合計ジャッジ時間 58,659 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge1
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
6,816 KB
testcase_01 AC 2 ms
6,940 KB
testcase_02 AC 2 ms
6,944 KB
testcase_03 AC 2 ms
6,940 KB
testcase_04 AC 1,319 ms
422,976 KB
testcase_05 AC 1,214 ms
423,040 KB
testcase_06 AC 1,175 ms
404,716 KB
testcase_07 AC 1,206 ms
422,948 KB
testcase_08 AC 1,221 ms
422,992 KB
testcase_09 AC 1,177 ms
404,596 KB
testcase_10 AC 1,212 ms
413,672 KB
testcase_11 AC 1,168 ms
404,264 KB
testcase_12 AC 1,197 ms
413,824 KB
testcase_13 AC 1,224 ms
422,972 KB
testcase_14 AC 1,433 ms
413,712 KB
testcase_15 AC 1,479 ms
422,932 KB
testcase_16 AC 1,399 ms
404,732 KB
testcase_17 AC 1,481 ms
423,124 KB
testcase_18 AC 1,454 ms
413,816 KB
testcase_19 AC 1,441 ms
413,800 KB
testcase_20 AC 1,428 ms
414,008 KB
testcase_21 AC 1,450 ms
423,068 KB
testcase_22 AC 1,422 ms
413,732 KB
testcase_23 AC 1,515 ms
431,920 KB
testcase_24 AC 1,597 ms
441,528 KB
testcase_25 AC 1,595 ms
441,456 KB
testcase_26 AC 1,604 ms
441,456 KB
testcase_27 AC 1,599 ms
441,468 KB
testcase_28 AC 1,627 ms
441,484 KB
testcase_29 AC 1,238 ms
441,472 KB
testcase_30 AC 1,230 ms
441,596 KB
testcase_31 AC 1,231 ms
441,592 KB
testcase_32 AC 1,243 ms
441,504 KB
testcase_33 AC 1,231 ms
441,528 KB
testcase_34 AC 1,430 ms
441,500 KB
testcase_35 AC 2 ms
6,940 KB
testcase_36 WA -
testcase_37 AC 1 ms
6,940 KB
testcase_38 AC 2 ms
6,940 KB
testcase_39 AC 2 ms
6,944 KB
testcase_40 AC 1 ms
6,940 KB
testcase_41 AC 2 ms
6,944 KB
testcase_42 AC 2 ms
6,944 KB
testcase_43 AC 1,237 ms
441,576 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
In Main.cr:42:19

 42 | def get({{ *(1..i).map { |j| "k#{j}".id } }})
                  ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:43:15

 43 | { {{ *(1..i).map { |j| "get(k#{j})".id } }} }
            ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:42:19

 42 | def get({{ *(1..i).map { |j| "k#{j}".id } }})
                  ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:43:15

 43 | { {{ *(1..i).map { |j| "get(k#{j})".id } }} }
            ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:42:19

 42 | def get({{ *(1..i).map { |j| "k#{j}".id } }})
                  ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:43:15

 43 | { {{ *(1..i).map { |j| "get(k#{j})".id } }} }
            ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:42:19

 42 | def get({{ *(1..i).map { |j| "k#{j}".id } }})
                  ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:43:15

 43 | { {{ *(1..i).map { |j| "get(k#{j})".id } }} }
            ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:42:19

 42 | def get({{ *(1..i).map { |j| "k#{j}".id } }})
                  ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:43:15

 43 | { {{ *(1..i).map { |j| "get(k#{j})".id } }} }
            ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:42:19

 42 | def get({{ *(1..i).map { |j| "k#{j}".id } }})
                  ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:43:15

 43 | { {{ *(1..i).map { |j| "get(k#{j})".id } }} }
            ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:42:19

 42 | def get({{ *(1..i).map { |j| "k#{j}".id } }})
                  ^
Warning: Deprecated use of splat operator. Use `#splat` instead

In Main.cr:43:15

 43

ソースコード

diff # 

def solve(io)
  n = io.get
  s = io.get(String)

  io.put_e 1 if n == 1

  dp = Array.new_md(n + 1, 26, 26, Mint.new(0))
  (0...26).each do |j|
    (0...26).each do |k|
      if (s[0] == '?' || s[0] - 'a' == j) && (s[1] == '?' || s[1] - 'a' == k) && j != k
        dp[2][j][k] = Mint.new(1)
      end
    end
  end

  (2...n).each do |i|
    c = (0...26).map { |k| (0...26).map { |l| dp[i][l][k] }.sum }
    (0...26).each do |j|
      next unless s[i] == '?' || s[i] - 'a' == j
      (0...26).each do |k|
        next if j == k
        dp[i + 1][k][j] += c[k] - dp[i][j][k]
      end
    end
  end

  io.put dp[n].map(&.sum).sum
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_c
    {% for i in (2..9) %}
      def get_c(n : Int, {{ *(1..i).map { |j| "k#{j}".id } }})
        a = Array.new(n) { get({{ *(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

  macro define_put
    {% for i in (1..9) %}
      def put({{ *(1..i).map { |j| "v#{j}".id } }}, *, delimiter = " ")
        {% for j in (1..i) %}
          print_v(v{{j}}, delimiter)
          {% if j < i %}@outs << delimiter{% end %}
        {% end %}
        @outs.puts
      end
    {% end %}
  end
  define_put

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

  def put_f(*vs)
    put(*vs)
    @outs.flush
  end


  private def get_v(k : Int32.class); get_token.to_i32; end
  private def get_v(k : UInt32.class); get_token.to_u32; end
  private def get_v(k : Int64.class); get_token.to_i64; end
  private def get_v(k : UInt64.class); get_token.to_u64; end
  private def get_v(k : Float64.class); get_token.to_f64; end
  private def get_v(k : String.class); get_token; 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

  private def print_v(v, dlimiter)
    @outs << v
  end

  private def print_v(v : Enumerable, delimiter)
    v.each_with_index do |e, i|
      @outs << e
      @outs << delimiter if i < v.size - 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

struct Float64
  def near?(x)
    (self - x).abs <= (self.abs < x.abs ? x.abs : self.abs) * EPSILON
  end
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

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

macro min_u(a, b)
  {{a}} = Math.min({{a}}, {{b}})
end

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

macro zip(a, *b, &block)
  {{a}}.zip({{*b}}) {{block}}
end

def powr(a : T, n : Int, i : T = T.multiplicative_identity) forall T
  powr(a, n, i) { |a, b| a * b }
end

def powr(a : T, n : Int, i : T = T.multiplicative_identity, &block) forall T
  return i if n == 0
  r, b = i, a
  while n > 0
    r = yield r, b if n.bit(0) == 1
    b = yield b, b
    n >>= 1
  end
  r
end

def ext_gcd(a : T, b : T) forall T
  if a == 0
    {b, T.new(0), T.new(1)}
  else
    g, x, y = ext_gcd(b % a, a)
    {g, y - (b // a) * x, x}
  end
end

def bit_subsets(a : Int, includes_zero = false)
  n = i = a
  if includes_zero
    while i >= 0
      yield i & n
      i = (i & n) - 1
    end
  else
    while i > 0
      yield i
      i = (i - 1) & n
    end
  end
end

def bit_zeta_trans_subset(n : Int, f : Array(T), &compose : (T, T) -> T) forall T
  g = Array.new(1 << n) { |i| f[i] }
  n.times do |i|
    (1 << n).times do |j|
      if j >> i & 1 != 0
        g[j] = compose.call(g[j], g[j ^ (1 << i)])
      end
    end
  end
  g
end

def bit_zeta_trans_superset(n : Int, f : Array(T), &compose : (T, T) -> T) forall T
  g = Array.new(1 << n) { |i| f[i] }
  n.times do |i|
    (1 << n).times do |j|
      if j >> i & 1 == 0
        g[j] = compose.call(g[j], g[j ^ (1 << i)])
      end
    end
  end
  g
end

abstract struct ModInt < Number
  macro new_type(name, mod)
    struct {{name}} < ModInt
      @@mod : Int32 = {{mod}}
    end
  end

  def initialize(v : Int)
    @v = (v % @@mod).to_i64
  end

  def_hash @@mod, @v

  def to_s
    @v.to_s
  end

  def to_s(io : IO) : Nil
    @v.to_s(io)
  end

  getter v : Int64

  delegate to_i, to: @v

  def ==(r : self)
    @v == r.v
  end

  def ==(r : Int)
    @v == (r % @@mod)
  end

  def - : self
    m(-@v)
  end

  def +(r : self)
    m(@v + r.v)
  end

  def +(r : Int)
    self + m(r)
  end

  def -(r : self)
    m(@v - r.v)
  end

  def -(r : Int)
    self - m(r)
  end

  def *(r : self)
    m(@v * r.v)
  end

  def *(r : Int)
    self * m(r)
  end

  def //(r : self)
    self * r.inv
  end

  def //(r : Int)
    self // m(r)
  end

  def **(n : Int)
    powr(self, n)
  end

  def inv
    m(ext_gcd(@v.to_i32, @@mod)[1])
  end

  def self.array(v : Array(Int))
    v.map { |vi| new(vi) }
  end

  def self.array(v : Array(Array(Int)))
    v.map { |vi| vi.map { |vij| new(vij) } }
  end


  private def m(v : Int)
    self.class.new(v)
  end
end
ModInt.new_type(Mint, 998244353)

solve(ProconIO.new)
0