結果
問題 | No.1065 電柱 / Pole (Easy) |
ユーザー | 👑 hos.lyric |
提出日時 | 2020-05-29 21:34:15 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 440 ms / 2,000 ms |
コード長 | 2,538 bytes |
コンパイル時間 | 2,746 ms |
コンパイル使用メモリ | 184,616 KB |
実行使用メモリ | 24,436 KB |
最終ジャッジ日時 | 2024-06-22 07:11:40 |
合計ジャッジ時間 | 12,427 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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
6,816 KB |
testcase_02 | AC | 220 ms
14,252 KB |
testcase_03 | AC | 348 ms
19,068 KB |
testcase_04 | AC | 352 ms
22,512 KB |
testcase_05 | AC | 288 ms
21,052 KB |
testcase_06 | AC | 288 ms
18,476 KB |
testcase_07 | AC | 72 ms
7,192 KB |
testcase_08 | AC | 267 ms
23,232 KB |
testcase_09 | AC | 25 ms
6,944 KB |
testcase_10 | AC | 119 ms
11,472 KB |
testcase_11 | AC | 82 ms
7,784 KB |
testcase_12 | AC | 69 ms
6,944 KB |
testcase_13 | AC | 253 ms
15,100 KB |
testcase_14 | AC | 288 ms
18,804 KB |
testcase_15 | AC | 338 ms
20,416 KB |
testcase_16 | AC | 169 ms
8,960 KB |
testcase_17 | AC | 367 ms
22,996 KB |
testcase_18 | AC | 121 ms
7,184 KB |
testcase_19 | AC | 345 ms
18,148 KB |
testcase_20 | AC | 99 ms
7,624 KB |
testcase_21 | AC | 149 ms
7,448 KB |
testcase_22 | AC | 319 ms
17,252 KB |
testcase_23 | AC | 5 ms
6,940 KB |
testcase_24 | AC | 5 ms
6,940 KB |
testcase_25 | AC | 64 ms
6,940 KB |
testcase_26 | AC | 181 ms
11,080 KB |
testcase_27 | AC | 186 ms
10,872 KB |
testcase_28 | AC | 316 ms
15,820 KB |
testcase_29 | AC | 43 ms
6,940 KB |
testcase_30 | AC | 335 ms
18,120 KB |
testcase_31 | AC | 233 ms
15,960 KB |
testcase_32 | AC | 151 ms
10,048 KB |
testcase_33 | AC | 347 ms
19,572 KB |
testcase_34 | AC | 125 ms
7,812 KB |
testcase_35 | AC | 334 ms
18,268 KB |
testcase_36 | AC | 4 ms
6,944 KB |
testcase_37 | AC | 5 ms
6,940 KB |
testcase_38 | AC | 3 ms
6,944 KB |
testcase_39 | AC | 5 ms
6,944 KB |
testcase_40 | AC | 2 ms
6,940 KB |
testcase_41 | AC | 440 ms
24,436 KB |
testcase_42 | AC | 130 ms
8,380 KB |
testcase_43 | AC | 223 ms
12,608 KB |
testcase_44 | AC | 81 ms
6,940 KB |
testcase_45 | AC | 220 ms
14,804 KB |
testcase_46 | AC | 1 ms
6,940 KB |
testcase_47 | AC | 1 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)); } void main() { try { for (; ; ) { const N = readInt(); const M = readInt(); const S = readInt() - 1; const T = readInt() - 1; auto X = new real[N]; auto Y = new real[N]; foreach (u; 0 .. N) { X[u] = readReal(); Y[u] = readReal(); } auto A = new int[M]; auto B = new int[M]; foreach (i; 0 .. M) { A[i] = readInt() - 1; B[i] = readInt() - 1; } auto G = new int[][N]; foreach (i; 0 .. M) { G[A[i]] ~= i; G[B[i]] ~= i; } alias Entry = Tuple!(real, "c", int, "u"); BinaryHeap!(Array!Entry, "a > b") que; auto dist = new real[N]; auto vis = new bool[N]; dist[] = real.infinity; dist[S] = 0.0L; que.insert(Entry(0.0L, S)); for (; !que.empty; ) { const c = que.front.c; const u = que.front.u; que.removeFront; if (!vis[u]) { vis[u] = true; foreach (i; G[u]) { const v = A[i] ^ B[i] ^ u; if (!vis[v]) { const cc = c + sqrt((X[v] - X[u])^^2 + (Y[v] - Y[u])^^2); if (chmin(dist[v], cc)) { que.insert(Entry(cc, v)); } } } } } writefln("%.12f", dist[T]); } } catch (EOFException e) { } }