結果

問題 No.302 サイコロで確率問題 (2)
ユーザー te-shte-sh
提出日時 2020-02-17 21:53:14
言語 D
(dmd 2.106.1)
結果
WA  
実行時間 -
コード長 2,875 bytes
コンパイル時間 4,127 ms
コンパイル使用メモリ 170,860 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-06-22 05:14:16
合計ジャッジ時間 5,335 ms
ジャッジサーバーID
(参考情報)
judge1 / judge5
このコードへのチャレンジ
(要ログイン)

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 WA -
testcase_01 AC 1 ms
6,940 KB
testcase_02 AC 1 ms
6,940 KB
testcase_03 WA -
testcase_04 AC 2 ms
6,944 KB
testcase_05 AC 1 ms
6,944 KB
testcase_06 AC 2 ms
6,940 KB
testcase_07 AC 2 ms
6,940 KB
testcase_08 WA -
testcase_09 AC 1 ms
6,940 KB
testcase_10 AC 1 ms
6,940 KB
testcase_11 WA -
testcase_12 AC 1 ms
6,944 KB
testcase_13 AC 1 ms
6,944 KB
testcase_14 AC 1 ms
6,944 KB
testcase_15 AC 1 ms
6,940 KB
testcase_16 AC 1 ms
6,940 KB
testcase_17 AC 1 ms
6,940 KB
testcase_18 WA -
testcase_19 WA -
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
Main.d(78): Deprecation: function `Main.IO!(makeGlobal, makeGlobal).IO.put!("{exit: true}", int).put.putMain!(c, int).putMain` function requires a dual-context, which is deprecated
Main.d-mixin-66(66):        instantiated from here: `putMain!(c, int)`
Main.d(12):        instantiated from here: `put!("{exit: true}", int)`
Main.d(78): Deprecation: function `Main.IO!(makeGlobal, makeGlobal).IO.put!("{}", double).put.putMain!(c, double).putMain` function requires a dual-context, which is deprecated
Main.d-mixin-66(66):        instantiated from here: `putMain!(c, double)`
Main.d(28):        instantiated from here: `put!("{}", double)`
Main.d(78): Deprecation: function `Main.IO!(makeGlobal, makeGlobal).IO.put!("{}", real).put.putMain!(c, real).putMain` function requires a dual-context, which is deprecated
Main.d-mixin-66(66):        instantiated from here: `putMain!(c, real)`
Main.d(31):        instantiated from here: `put!("{}", real)`

ソースコード

diff #

// URL: https://yukicoder.me/problems/no/302

import std.algorithm, std.array, std.container, std.math, std.range, std.typecons, std.string;
import std.mathspecial;

version(unittest) {} else
void main()
{
  long N; io.getV(N);
  long L, R; io.getV(L, R);

  if (L > N*6) io.put!"{exit: true}"(0);

  if (N < 5000) {
    auto dp = [1.0];

    foreach (i; 0..N) {
      auto dp2 = new double[(i+1)*6+1];
      foreach (j; 0..i*6+1) {
        dp2[j+1] += dp[j]/6;
        dp2[j+7] -= dp[j]/6;
      }
      foreach (j; 1..(i+1)*6+1)
        dp2[j] += dp2[j-1];
      dp = dp2;
    }

    io.put(dp[L..min(N*6, R)+1].sum);
  } else {
    auto mu = 7.0/2*N, sigma = sqrt(35.0/12*N);
    io.put((erfc(-(R+0.5-mu)/(sqrt(2.0)*sigma))-erfc(-(L-0.5-mu)/(sqrt(2.0)*sigma)))/2);
  }
}

auto io = IO!()();
import std.stdio;
struct IO(alias IN = stdin, alias OUT = stdout)
{
  import std.conv, std.format, std.meta, std.traits, core.stdc.stdlib;

  auto getV(T...)(ref T v) { foreach (ref w; v) get(w); }
  auto getA(T)(size_t n, ref T v) if (hasAssignableElements!T)
  { v = new T(n); foreach (ref w; v) get(w); }
  auto getC(T...)(size_t n, ref T v)
  if (allSatisfy!(hasAssignableElements, T))
  {
    foreach (ref w; v) w = new typeof(w)(n);
    foreach (i; 0..n) foreach (ref w; v) get(w[i]);
  }
  auto getM(T)(size_t r, size_t c, ref T v)
  if (hasAssignableElements!T && hasAssignableElements!(ElementType!T))
  { v = new T(r); foreach (ref w; v) getA(c, w); }
  template getS(E...)
  {
    auto getS(T)(size_t n, ref T v)
    { v = new T(n); foreach (ref w; v) foreach (e; E) mixin("get(w."~e~");"); }
  }

  const struct PutConf
  {
    bool newline = true, flush, exit;
    string floatFormat = "%.10f", delimiter = " ";
  }

  auto put(alias conf = "{}", T...)(T v)
  { mixin("const PutConf c = "~conf~"; putMain!c(v);"); }
  auto putB(alias conf = "{}", S, T)(bool c, S t, T f)
  { if (c) put!conf(t); else put!conf(f); }
  auto putRaw(T...)(T v) { OUT.write(v); OUT.writeln; }

  private
  {
    dchar[] buf;
    auto sp = (new dchar[](0)).splitter;
    void nextLine() { IN.readln(buf); sp = buf.splitter; }
    auto get(T)(ref T v) { if (sp.empty) nextLine(); v = sp.front.to!T; sp.popFront(); }

    auto putMain(PutConf c, T...)(T v)
    {
      foreach (i, w; v) {
        putOne!c(w);
        if (i < v.length-1) OUT.write(c.delimiter);
      }
      static if (c.newline) OUT.writeln;
      static if (c.flush) OUT.flush();
      static if (c.exit) exit(0);
    }
    auto putOne(PutConf c, T)(T v)
    {
      static if (isInputRange!T && !isSomeString!T) putRange!c(v);
      else if (isFloatingPoint!T) OUT.write(format(c.floatFormat, v));
      else OUT.write(v);
    }
    auto putRange(PutConf c, T)(T v)
    {
      auto w = v;
      while (!w.empty) {
        putOne!c(w.front); w.popFront();
        if (!w.empty) OUT.write(c.delimiter);
      }
    }
  }
}
0