結果

問題 No.34 砂漠の行商人
ユーザー te-shte-sh
提出日時 2020-02-14 21:10:30
言語 D
(dmd 2.106.1)
結果
AC  
実行時間 1,486 ms / 5,000 ms
コード長 5,931 bytes
コンパイル時間 1,692 ms
コンパイル使用メモリ 154,156 KB
実行使用メモリ 25,472 KB
最終ジャッジ日時 2024-06-22 05:05:32
合計ジャッジ時間 7,376 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge4
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
6,812 KB
testcase_01 AC 1 ms
6,944 KB
testcase_02 AC 3 ms
6,940 KB
testcase_03 AC 1 ms
6,944 KB
testcase_04 AC 56 ms
7,452 KB
testcase_05 AC 61 ms
7,464 KB
testcase_06 AC 7 ms
6,940 KB
testcase_07 AC 132 ms
7,532 KB
testcase_08 AC 173 ms
25,408 KB
testcase_09 AC 456 ms
14,864 KB
testcase_10 AC 35 ms
6,940 KB
testcase_11 AC 101 ms
7,464 KB
testcase_12 AC 14 ms
6,940 KB
testcase_13 AC 1,486 ms
25,456 KB
testcase_14 AC 962 ms
25,468 KB
testcase_15 AC 4 ms
6,940 KB
testcase_16 AC 50 ms
7,504 KB
testcase_17 AC 2 ms
6,940 KB
testcase_18 AC 6 ms
6,944 KB
testcase_19 AC 327 ms
25,472 KB
testcase_20 AC 530 ms
14,920 KB
testcase_21 AC 3 ms
6,940 KB
testcase_22 AC 7 ms
6,940 KB
testcase_23 AC 2 ms
6,940 KB
testcase_24 AC 670 ms
14,852 KB
testcase_25 AC 39 ms
7,428 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);

  auto m = grid(L);
  alias Pos = m.Pos;
  auto S = m.pos(Sy, Sx), G = m.pos(Gy, Gx);

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

  class E { Pos p; int d, h; this(Pos p, int d, int h) { this.p = p; this.d = d; this.h = h; } }
  auto q = DList!E(new 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(new E(np, e.d+1, nh));
      }
    }
  }
  io.put(-1);
}

class Grid(T)
{
  import std.format, std.traits;

  class Pos
  {
    int r, c;
    this(int r, int c) { this.r = r; this.c = c; }
    pure override string toString() { return format("(%d, %d)", r, c); }
    pure override bool opEquals(Object q) { return r == (cast(Pos)q).r && c == (cast(Pos)q).c; }
    pure bool inGrid() { return 0 <= r && r < h && 0 <= c && c < w; }
    pure int p2i() { return cast(int)w*r+c; }

    pure Pos opBinary(string op, U)(U q) if (op=="+"||op=="-")
    { return mixin("pos(r"~op~"q.r, c"~op~"q.c)"); }
    Pos opOpAssign(string op, U)(U q) if (op=="+"||op=="-")
    { mixin("r"~op~"=q.r; c"~op~"=q.c;"); return this; }
    pure Pos opBinary(string op, U)(U a) if ((op=="*"||op=="/") && isNumeric!U)
    { return mixin("pos(r"~op~"a, c"~op~"a)"); }
    Pos opOpAssign(string op, U)(U a) if ((op=="*"||op=="/") && isNumeric!U)
    { mixin("r"~op~"=a; c"~op~"=a;"); return this; }
    pure int opBinary(string op: "*", U)(U q) if (!isNumeric!U)
    { return r*q.r+c*q.c; }

    pure auto around4() { return d4.map!(d => this+d).filter!(p => p.inGrid); }
    pure auto around8() { return d8.map!(d => this+d).filter!(p => p.inGrid); }
  }

  size_t h, w;
  T[][] data;

  this(size_t h, size_t w) { this.h = h; this.w = w; data = new T[][](h, w); }
  this(T[][] data) { h = data.length; w = data[0].length; this.data = data; }
  pure Grid!T dup() { return new Grid!T(data.map!"a.dup".array); }

  pure Pos pos(int r, int c) { return new Pos(r, c); }

  pure T opIndex(size_t r, size_t c) { return data[r][c]; }
  pure T opIndex(U)(U 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(U)(T v, U 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, U)(T v, U 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, U)(U p) if (op=="++"||op=="--")
  { mixin(op~"data[p.r][p.c];"); return this; }

  auto walk()
  { return WalkRange(this); }
  auto d4 = [D(-1, 0), D(0, -1), D(1, 0), D(0, 1)];
  auto d8 = [D(-1, 0), D(-1, -1), D(0, -1), D(1, -1), D(1, 0), D(1, 1), D(0, 1), D(-1, 1)];

  private
  {
    struct D { int r, c; }
    struct WalkRange
    {
      Grid!T g;
      int r, c;
      this(Grid!T g) { this.g = g; r = 0; c = 0; }
      @property pure Pos front() { return g.pos(r, c); }
      void popFront() { if (++c >= g.w) { c = 0; ++r; } }
      pure bool empty() { return r >= g.h; }
    }
  }
}
Grid!T grid(T)(size_t h, size_t w) { return new Grid!T(h, w); }
Grid!T grid(T)(T[][] data) { return new Grid!T(data); }

pure int distManhattan(T)(T p1, T p2) { return abs(p1.r-p2.r) + abs(p1.c-p2.c); }

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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