結果

問題 No.303 割れません
ユーザー te-sh
提出日時 2020-02-17 23:24:29
言語 D
(dmd 2.109.1)
結果
WA  
実行時間 -
コード長 2,603 bytes
コンパイル時間 1,649 ms
コンパイル使用メモリ 149,028 KB
実行使用メモリ 27,700 KB
最終ジャッジ日時 2024-06-22 05:14:32
合計ジャッジ時間 3,166 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 2 WA * 12
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(70): Deprecation: function `Main.IO!(makeGlobal, makeGlobal).IO.put!("{}", int).put.putMain!(c, int).putMain` function requires a dual-context, which is deprecated
Main.d-mixin-58(58):        instantiated from here: `putMain!(c, int)`
Main.d(10):        instantiated from here: `put!("{}", int)`
Main.d(70): Deprecation: function `Main.IO!(makeGlobal, makeGlobal).IO.put!("{exit: true}", string).put.putMain!(c, string).putMain` function requires a dual-context, which is deprecated
Main.d-mixin-58(58):        instantiated from here: `putMain!(c, string)`
Main.d(10):        instantiated from here: `put!("{exit: true}", string)`
Main.d(70): Deprecation: function `Main.IO!(makeGlobal, makeGlobal).IO.put!("{}", long).put.putMain!(c, long).putMain` function requires a dual-context, which is deprecated
Main.d-mixin-58(58):        instantiated from here: `putMain!(c, long)`
Main.d(24):        instantiated from here: `put!("{}", long)`

ソースコード

diff # 

// URL: https://yukicoder.me/problems/no/303

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

version(unittest) {} else
void main()
{
  int L; io.getV(L);

  if (L == 2) { io.put(3); io.put!"{exit: true}"("INF"); }

  auto dp = new long[](L+1);
  dp[1] = 1;
  auto so = 1, se = 0;

  foreach (i; 2..L+1) {
    if (i%2 == 0)
      se += (dp[i] = so);
    else
      so += (dp[i] = se+1);
  }

  io.put(L);
  io.put(dp[L] - (L%2 == 0 ? dp[L/2]^^2 : 0));
}

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);
      }
    }
  }
}
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