結果
問題 | No.807 umg tours |
ユーザー | te-sh |
提出日時 | 2020-01-11 19:45:29 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 688 ms / 4,000 ms |
コード長 | 3,309 bytes |
コンパイル時間 | 2,036 ms |
コンパイル使用メモリ | 164,432 KB |
実行使用メモリ | 77,064 KB |
最終ジャッジ日時 | 2024-06-22 04:04:57 |
合計ジャッジ時間 | 10,983 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 2 ms
6,948 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 3 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 1 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 476 ms
56,468 KB |
testcase_12 | AC | 374 ms
37,464 KB |
testcase_13 | AC | 536 ms
61,284 KB |
testcase_14 | AC | 219 ms
25,900 KB |
testcase_15 | AC | 178 ms
21,860 KB |
testcase_16 | AC | 562 ms
68,084 KB |
testcase_17 | AC | 688 ms
77,064 KB |
testcase_18 | AC | 688 ms
74,788 KB |
testcase_19 | AC | 662 ms
73,788 KB |
testcase_20 | AC | 342 ms
29,920 KB |
testcase_21 | AC | 354 ms
30,884 KB |
testcase_22 | AC | 146 ms
17,288 KB |
testcase_23 | AC | 106 ms
14,812 KB |
testcase_24 | AC | 333 ms
43,296 KB |
testcase_25 | AC | 657 ms
71,216 KB |
ソースコード
// URL: https://yukicoder.me/problems/no/807 import std.algorithm, std.container, std.math, std.range, std.typecons, std.string; version(unittest) {} else void main() { int n, m; io.getV(n, m); auto g = GraphW!(long, 10L^^18)(n*2); g.addEdge(0, n, 0); foreach (_; 0..m) { int a, b, c; io.getV(a, b, c); --a; --b; g.addEdgeB(a, b, c); g.addEdgeB(a+n, b+n, c); g.addEdge(a, b+n, 0); g.addEdge(b, a+n, 0); } auto d = g.dijkstra(0); foreach (i; 0..n) io.put(d[i] + d[i+n]); } 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(ref Graph g) { this.g = g; } auto run(Node s) { auto n = g.n, 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)); } } } return dist; } } auto dijkstra(G, N)(G g, N s) { return Dijkstra!G(g).run(s); } auto io = IO(); struct IO { import std.algorithm, std.conv, std.format, std.meta, std.range, std.stdio, std.traits; dchar[] buf; auto sp = (new dchar[](0)).splitter; int precision = 10; string delimiter = " "; void nextLine() { stdin.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 (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); } auto rangePop(R)(ref R r) { r.popFront(); if (!r.empty) write(delimiter); } auto putA(T)(T v) { static if (isInputRange!T && !isSomeString!T) for (auto w = v; !w.empty; rangePop(w)) putA(w.front); else if (isFloatingPoint!T) writef(format("%%.%df", precision), v); else write(v); } auto put(T...)(T v) { foreach (i, w; v) { putA(w); if (i < v.length-1) write(delimiter); } writeln; } auto putB(S, T)(bool c, S t, T f) { if (c) put(t); else put(f); } auto dbg(T...)(T v) { stderr.writeln(v); } }