結果

問題 No.1 道のショートカット
ユーザー te-shte-sh
提出日時 2020-01-18 15:33:04
言語 D
(dmd 2.106.1)
結果
WA  
実行時間 -
コード長 3,389 bytes
コンパイル時間 1,840 ms
コンパイル使用メモリ 172,852 KB
実行使用メモリ 16,668 KB
最終ジャッジ日時 2024-06-22 04:20:04
合計ジャッジ時間 4,006 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
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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 2 ms
6,812 KB
testcase_01 AC 1 ms
6,944 KB
testcase_02 AC 1 ms
6,940 KB
testcase_03 AC 2 ms
6,944 KB
testcase_04 AC 2 ms
6,940 KB
testcase_05 AC 1 ms
6,944 KB
testcase_06 AC 1 ms
6,940 KB
testcase_07 AC 2 ms
6,940 KB
testcase_08 AC 78 ms
11,164 KB
testcase_09 AC 45 ms
10,660 KB
testcase_10 AC 26 ms
8,432 KB
testcase_11 AC 41 ms
10,236 KB
testcase_12 AC 115 ms
16,060 KB
testcase_13 AC 110 ms
14,788 KB
testcase_14 AC 9 ms
6,940 KB
testcase_15 AC 1 ms
6,940 KB
testcase_16 WA -
testcase_17 AC 1 ms
6,940 KB
testcase_18 AC 9 ms
6,944 KB
testcase_19 AC 19 ms
6,944 KB
testcase_20 AC 20 ms
6,940 KB
testcase_21 WA -
testcase_22 AC 16 ms
6,940 KB
testcase_23 AC 71 ms
12,948 KB
testcase_24 AC 92 ms
16,668 KB
testcase_25 AC 36 ms
9,164 KB
testcase_26 AC 26 ms
6,988 KB
testcase_27 AC 71 ms
11,316 KB
testcase_28 AC 3 ms
6,940 KB
testcase_29 AC 14 ms
6,940 KB
testcase_30 AC 4 ms
6,940 KB
testcase_31 AC 11 ms
6,944 KB
testcase_32 AC 56 ms
11,096 KB
testcase_33 AC 41 ms
9,504 KB
testcase_34 AC 65 ms
13,020 KB
testcase_35 AC 2 ms
6,940 KB
testcase_36 AC 13 ms
6,940 KB
testcase_37 WA -
testcase_38 AC 3 ms
6,940 KB
testcase_39 WA -
testcase_40 AC 4 ms
6,940 KB
testcase_41 AC 2 ms
6,944 KB
testcase_42 AC 1 ms
6,944 KB
testcase_43 AC 1 ms
6,940 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

// URL: https://yukicoder.me/problems/no/1

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

version(unittest) {} else
void main()
{
  int N; io.getV(N);
  int C; io.getV(C);
  int V; io.getV(V);
  int[] S; io.getA(V, S); --S[];
  int[] T; io.getA(V, T); --T[];
  int[] Y; io.getA(V, Y);
  int[] M; io.getA(V, M);

  auto g = GraphW!int(N*(C+1));
  foreach (Si, Ti, Yi, Mi; lockstep(S, T, Y, M)) {
    foreach (c; 0..C-Yi+1) {
      g.addEdge((C+1)*Si+c, (C+1)*Ti+c+Yi, Mi);
      g.addEdge((C+1)*Ti+c, (C+1)*Si+c+Yi, Mi);
    }
  }

  auto r = g.dijkstra(0).dist[(N-1)*(C+1)..N*(C+1)].minElement;
  io.putB(r < g.inf, r, -1);
}

struct GraphW(W = int, W i = 10^^9)
{
  alias Node = int, Wt = W, inf = i;
  struct Edge { Node src, dst; Wt wt; alias cap = wt; }
  Node n;
  Edge[][] g;
  alias g this;
  this(Node n) { this.n = n; g = new Edge[][](n); }
  void addEdge(Node u, Node v, Wt w) { g[u] ~= Edge(u, v, w); }
  void addEdgeB(Node u, Node v, Wt w) { g[u] ~= Edge(u, v, w); g[v] ~= Edge(v, u, w); }
}

struct Dijkstra(Graph)
{
  import std.array, std.container;
  Graph g;
  alias g this;
  alias Node = g.Node, Wt = g.Wt, Edge = g.Edge;
  Wt[] dist;
  Node[] prev;

  this(Graph g, Node s)
  {
    this.g = g;
    auto sent = n;

    dist = new Wt[](n);
    dist[] = g.inf;
    dist[s] = 0;

    prev = new Node[](n);
    prev[] = sent;

    auto q = heapify!("a.wt>b.wt")(Array!Edge(Edge(sent, s, 0)));
    while (!q.empty) {
      auto e = q.front; q.removeFront();
      if (prev[e.dst] != sent) continue;
      prev[e.dst] = e.src;
      foreach (f; g[e.dst]) {
        auto w = e.wt+f.wt;
        if (dist[f.dst] > w) {
          dist[f.dst] = w;
          q.insert(Edge(f.src, f.dst, w));
        }
      }
    }
  }
}
Dijkstra!Graph dijkstra(Graph, Node)(Graph g, Node s) { return Dijkstra!Graph(g, s); }

auto io = IO!()();

import std.stdio;
struct IO(alias IN = stdin, alias OUT = stdout, string delimiter = " ", string floatFormat = "%.10f")
{
  import std.algorithm, std.conv, std.format, std.meta, std.range, std.stdio, std.traits;
  alias assignable = hasAssignableElements;

  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 getV(T...)(ref T v) { foreach (ref w; v) get(w); }
  auto getA(T)(size_t n, ref T v) if (assignable!T) { v = new T(n); foreach (ref w; v) get(w); }
  auto getC(T...)(size_t n, ref T v) if (allSatisfy!(assignable, 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 (assignable!T && assignable!(ElementType!T))
  {
    v = new T(r); foreach (ref w; v) getA(c, w);
  }

  auto putR(T)(T v)
  {
    auto w = v;
    while (!w.empty) {
      putA(w.front); w.popFront();
      if (!w.empty) OUT.write(delimiter);
    }
  }
  auto putA(T)(T v)
  {
    static if (isInputRange!T && !isSomeString!T) putR(v);
    else if (isFloatingPoint!T) OUT.write(format(floatFormat, v));
    else OUT.write(v);
  }
  auto put(T...)(T v)
  {
    foreach (i, w; v) { putA(w); if (i < v.length-1) OUT.write(delimiter); }
    OUT.writeln;
  }

  auto putB(S, T)(bool c, S t, T f) { if (c) put(t); else put(f); }
  auto putRaw(T...)(T v) { OUT.write(v); OUT.writeln; }
}
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