結果
| 問題 |
No.1601 With Animals into Institute
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-07-10 14:40:00 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 438 ms / 3,000 ms |
| コード長 | 2,574 bytes |
| コンパイル時間 | 994 ms |
| コンパイル使用メモリ | 140,228 KB |
| 実行使用メモリ | 20,256 KB |
| 最終ジャッジ日時 | 2024-06-22 11:43:10 |
| 合計ジャッジ時間 | 9,527 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 36 |
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)); }
// https://arxiv.org/pdf/1906.04062v5.pdf
enum INF = 10L^^18;
void main() {
try {
for (; ; ) {
const N = readInt();
const M = readInt();
auto A = new int[M];
auto B = new int[M];
auto C = new long[M];
auto X = new int[M];
foreach (i; 0 .. M) {
A[i] = readInt() - 1;
B[i] = readInt() - 1;
C[i] = readLong();
X[i] = readInt();
}
const S = N - 1;
auto G = new int[][N];
foreach (i; 0 .. M) {
G[A[i]] ~= i;
G[B[i]] ~= i;
}
alias Entry = Tuple!(long, "c", int, "u", int, "s");
BinaryHeap!(Array!Entry, "a.c > b.c") que;
auto dist = new long[][](N, 2);
foreach (u; 0 .. N) {
dist[u][] = INF;
}
que.insert(Entry(dist[S][0] = 0, S, 0));
for (; !que.empty; ) {
const c = que.front.c;
const u = que.front.u;
const s = que.front.s;
que.removeFront;
if (dist[u][s] == c) {
foreach (i; G[u]) {
const cc = c + C[i];
const v = A[i] ^ B[i] ^ u;
const ss = s | X[i];
if (chmin(dist[v][ss], cc)) {
que.insert(Entry(cc, v, ss));
}
}
}
}
foreach (u; 0 .. N - 1) {
writeln((dist[u][1] >= INF) ? -1 : dist[u][1]);
}
}
} catch (EOFException e) {
}
}