結果

問題 No.34 砂漠の行商人
ユーザー te-shte-sh
提出日時 2020-02-19 20:50:08
言語 D
(dmd 2.106.1)
結果
AC  
実行時間 891 ms / 5,000 ms
コード長 5,554 bytes
コンパイル時間 903 ms
コンパイル使用メモリ 114,132 KB
実行使用メモリ 7,432 KB
最終ジャッジ日時 2024-06-22 05:17:48
合計ジャッジ時間 4,645 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge4
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 AC 1 ms
6,816 KB
testcase_01 AC 1 ms
6,944 KB
testcase_02 AC 2 ms
6,944 KB
testcase_03 AC 1 ms
6,944 KB
testcase_04 AC 32 ms
6,940 KB
testcase_05 AC 43 ms
6,940 KB
testcase_06 AC 6 ms
6,944 KB
testcase_07 AC 85 ms
6,940 KB
testcase_08 AC 103 ms
6,944 KB
testcase_09 AC 274 ms
7,432 KB
testcase_10 AC 36 ms
6,944 KB
testcase_11 AC 60 ms
6,944 KB
testcase_12 AC 8 ms
6,944 KB
testcase_13 AC 891 ms
7,416 KB
testcase_14 AC 618 ms
7,304 KB
testcase_15 AC 3 ms
6,944 KB
testcase_16 AC 40 ms
6,944 KB
testcase_17 AC 1 ms
6,940 KB
testcase_18 AC 3 ms
6,940 KB
testcase_19 AC 199 ms
7,420 KB
testcase_20 AC 311 ms
7,356 KB
testcase_21 AC 3 ms
6,940 KB
testcase_22 AC 5 ms
6,944 KB
testcase_23 AC 2 ms
6,944 KB
testcase_24 AC 415 ms
7,368 KB
testcase_25 AC 21 ms
6,940 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
Main.d(153): 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-141(141):        instantiated from here: `putMain!(c, int)`
Main.d(26):        instantiated from here: `put!("{exit: true}", int)`
Main.d(153): 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-141(141):        instantiated from here: `putMain!(c, int)`
Main.d(33):        instantiated from here: `put!("{}", int)`

ソースコード

diff # 

// URL: https://yukicoder.me/problems/no/34

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

version(unittest) {} else
void main()
{
  int N, V, Sx, Sy, Gx, Gy; io.getV(N, V, Sx, Sy, Gx, Gy); --Sx; --Sy; --Gx; --Gy;
  int[][] L; io.getM(N, N, L);

  alias rg = Region!(N, N), Pos = rg.Pos;
  auto m = rg.grid(L);
  auto S = Pos(Sy, Sx), G = Pos(Gy, Gx);

  auto v = rg.grid!int, inf = 10^^6;
  foreach (p; rg.allPos) v[p] = inf;
  v[S] = 0;

  struct E { Pos p; int d, h; }
  auto q = DList!E(E(S, 0, 0));
  while (!q.empty) {
    auto e = q.front; q.removeFront();
    foreach (np; e.p.around4) {
      auto nh = e.h+m[np];
      if (nh >= V) continue;
      if (np == G) io.put!"{exit: true}"(e.d+1);
      if (nh < v[np]) {
        v[np] = nh;
        q.insertBack(E(np, e.d+1, nh));
      }
    }
  }
  io.put(-1);
}

template Region(alias h, alias w)
{
  struct Pos
  {
    pure nothrow @nogc @safe
    {
      int r, c;
      this(int r, int c) { this.r = r; this.c = c; }
      bool inRegion() { return 0 <= r && r < h && 0 <= c && c < w; }
      int p2i() { return cast(int)w*r+c; }

      Pos opBinary(string op)(Pos q) if (op=="+"||op=="-")
      { return mixin("Pos(r"~op~"q.r, c"~op~"q.c)"); }
      Pos opOpAssign(string op)(Pos q) if (op=="+"||op=="-")
      { mixin("r"~op~"=q.r; c"~op~"=q.c;"); return this; }
      Pos opBinary(string op, U)(U a) if (op=="*"||op=="/")
      { return mixin("Pos(r"~op~"a, c"~op~"a)"); }
      Pos opOpAssign(string op, U)(U a) if (op=="*"||op=="/")
      { mixin("r"~op~"=a; c"~op~"=a;"); return this; }
      int opBinary(string op: "*")(Pos q) { return r*q.r+c*q.c; }
    }
    pure nothrow @safe
    {
      auto around4()
      {
        return [Pos(r-1, c), Pos(r, c+1), Pos(r+1, c), Pos(r, c-1)]
          .filter!(p => p.inRegion);
      }
      auto around8()
      {
        return [Pos(r-1, c), Pos(r-1, c+1), Pos(r, c+1), Pos(r+1, c+1),
                Pos(r+1, c), Pos(r+1, c-1), Pos(r, c-1), Pos(r-1, c-1)]
          .filter!(p => p.inRegion);
      }
    }
  }

  pure nothrow @safe auto allPos() { return AllPosRange(); }

  private struct AllPosRange
  {
    int r, c;
    @property pure Pos front() { return Pos(r, c); }
    void popFront() { if (++c >= w) { c = 0; ++r; } }
    pure bool empty() { return r >= h; }
  }

  struct Grid(T)
  {
    T[][] data;

    pure nothrow @safe Grid!T dup() { return Grid!T(data.map!"a.dup".array); }

    pure nothrow @nogc @safe
    {
      this(T[][] data) { this.data = data; }

      T opIndex(size_t r, size_t c) { return data[r][c]; }
      T opIndex(Pos p) { return data[p.r][p.c]; }
      Grid!T opIndexAssign(T v, size_t r, size_t c) { data[r][c] = v; return this; }
      Grid!T opIndexAssign(T v, Pos p) { data[p.r][p.c] = v; return this; }
      Grid!T opIndexOpAssign(string op)(T v, size_t r, size_t c)
      { mixin("data[r][c]"~op~"=v;"); return this; }
      Grid!T opIndexOpAssign(string op)(T v, Pos p)
      { mixin("data[p.r][p.c]"~op~"=v;"); return this; }
      Grid!T opIndexUnary(string op)(size_t r, size_t c) if (op=="++"||op=="--")
      { mixin(op~"data[r][c];"); return this; }
      Grid!T opIndexUnary(string op)(Pos p) if (op=="++"||op=="--")
      { mixin(op~"data[p.r][p.c];"); return this; }
    }
  }
  pure nothrow @safe Grid!T grid(T)(T[][] data = new T[][](h, w)) { return Grid!T(data); }
}

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 static if (isFloatingPoint!T) OUT.write(format(c.floatFormat, v));
      else static if (hasMember!(T, "fprint")) v.fprint(OUT);
      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