結果
問題 | No.1812 Uribo Road |
ユーザー | 👑 hos.lyric |
提出日時 | 2022-01-14 21:40:26 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 173 ms / 5,000 ms |
コード長 | 3,325 bytes |
コンパイル時間 | 1,283 ms |
コンパイル使用メモリ | 139,836 KB |
実行使用メモリ | 7,348 KB |
最終ジャッジ日時 | 2024-06-22 14:03:05 |
合計ジャッジ時間 | 3,615 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 9 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 3 ms
6,944 KB |
testcase_09 | AC | 5 ms
6,940 KB |
testcase_10 | AC | 3 ms
6,940 KB |
testcase_11 | AC | 4 ms
6,940 KB |
testcase_12 | AC | 83 ms
7,348 KB |
testcase_13 | AC | 39 ms
6,940 KB |
testcase_14 | AC | 36 ms
6,944 KB |
testcase_15 | AC | 58 ms
6,940 KB |
testcase_16 | AC | 59 ms
6,944 KB |
testcase_17 | AC | 146 ms
6,940 KB |
testcase_18 | AC | 34 ms
6,944 KB |
testcase_19 | AC | 172 ms
6,940 KB |
testcase_20 | AC | 173 ms
6,944 KB |
testcase_21 | AC | 148 ms
6,944 KB |
testcase_22 | AC | 100 ms
6,940 KB |
testcase_23 | AC | 5 ms
6,944 KB |
testcase_24 | AC | 1 ms
6,944 KB |
testcase_25 | AC | 26 ms
6,944 KB |
testcase_26 | AC | 4 ms
6,940 KB |
testcase_27 | AC | 27 ms
6,940 KB |
testcase_28 | AC | 47 ms
6,940 KB |
testcase_29 | AC | 1 ms
6,944 KB |
testcase_30 | AC | 6 ms
6,944 KB |
testcase_31 | AC | 89 ms
6,944 KB |
testcase_32 | AC | 3 ms
6,940 KB |
testcase_33 | AC | 77 ms
6,940 KB |
ソースコード
import std.conv, std.functional, std.range, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons; import core.bitop; class EOFException : Throwable { this() { super("EOF"); } } string[] tokens; string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; } int readInt() { return readToken.to!int; } long readLong() { return readToken.to!long; } real readReal() { return readToken.to!real; } bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } } bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } } int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; } int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); } int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); } enum INF = 10L^^18; void main() { try { for (; ; ) { const N = readInt; const M = readInt; const K = readInt; auto R = new int[K]; foreach (k; 0 .. K) { R[k] = readInt - 1; } auto A = new int[M]; auto B = new int[M]; auto C = new long[M]; foreach (i; 0 .. M) { A[i] = readInt - 1; B[i] = readInt - 1; C[i] = readLong; } auto G = new int[][N]; foreach (i; 0 .. M) { G[A[i]] ~= i; G[B[i]] ~= i; } auto ss = new int[2 * K + 2]; foreach (k; 0 .. K) { ss[2 * k + 0] = A[R[k]]; ss[2 * k + 1] = B[R[k]]; } ss[2 * K + 0] = 0; ss[2 * K + 1] = N - 1; auto dist = new long[][](2 * K + 2, N); foreach (x; 0 .. 2 * K + 2) { alias Entry = Tuple!(long, "c", int, "u"); BinaryHeap!(Array!Entry, "a.c > b.c") que; dist[x][] = INF; dist[x][ss[x]] = 0; que.insert(Entry(0, ss[x])); for (; !que.empty; ) { const c = que.front.c; const u = que.front.u; que.removeFront; if (dist[x][u] == c) { foreach (i; G[u]) { const cc = c + C[i]; const v = A[i] ^ B[i] ^ u; if (chmin(dist[x][v], cc)) { que.insert(Entry(cc, v)); } } } } debug { writeln(ss[x], ": ", dist[x]); } } auto dp = new long[][](1 << K, 2 * K + 2); foreach (p; 0 .. 1 << K) { dp[p][] = INF; } dp[0][2 * K + 0] = 0; foreach (p; 0 .. 1 << K) { foreach (x; 0 .. 2 * K + 2) { foreach (k; 0 .. K) if (!(p >> k & 1)) { chmin(dp[p | 1 << k][2 * k + 1], dp[p][x] + dist[x][A[R[k]]] + C[R[k]]); chmin(dp[p | 1 << k][2 * k + 0], dp[p][x] + dist[x][B[R[k]]] + C[R[k]]); } } } long ans = INF; foreach (x; 0 .. 2 * K + 2) { chmin(ans, dp[(1 << K) - 1][x] + dist[x][N - 1]); } writeln(ans); } } catch (EOFException e) { } }