結果

問題 No.416 旅行会社
ユーザー 37zigen37zigen
提出日時 2016-08-27 03:25:39
言語 Java21
(openjdk 21)
結果
AC  
実行時間 887 ms / 4,000 ms
コード長 4,617 bytes
コンパイル時間 2,255 ms
コンパイル使用メモリ 80,904 KB
実行使用メモリ 96,816 KB
最終ジャッジ日時 2024-05-08 15:04:59
合計ジャッジ時間 13,071 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
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 490 ms
76,520 KB
testcase_01 AC 48 ms
37,008 KB
testcase_02 AC 49 ms
36,680 KB
testcase_03 AC 49 ms
37,080 KB
testcase_04 AC 49 ms
37,040 KB
testcase_05 AC 48 ms
36,732 KB
testcase_06 AC 49 ms
36,952 KB
testcase_07 AC 63 ms
37,720 KB
testcase_08 AC 94 ms
39,404 KB
testcase_09 AC 171 ms
44,452 KB
testcase_10 AC 479 ms
76,744 KB
testcase_11 AC 458 ms
76,532 KB
testcase_12 AC 536 ms
76,684 KB
testcase_13 AC 562 ms
76,556 KB
testcase_14 AC 887 ms
96,708 KB
testcase_15 AC 837 ms
96,816 KB
testcase_16 AC 799 ms
96,524 KB
testcase_17 AC 878 ms
96,776 KB
testcase_18 AC 835 ms
96,704 KB
testcase_19 AC 758 ms
79,728 KB
testcase_20 AC 840 ms
80,152 KB
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ソースコード

diff # 

package No400番台;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;

public class Main{

	@SuppressWarnings("unchecked")
	void solver() {
		int N = ni(), M = ni(), Q = ni();
		ArrayList<Edge>[] g = new ArrayList[N];
		for (int i = 0; i < N; i++)
			g[i] = new ArrayList<>();
		long[] ref = new long[Q];

		int[] A = new int[M], B = new int[M];
		for (int i = 0; i < M; i++) {
			A[i] = ni() - 1;
			B[i] = ni() - 1;
		}
		for (int i = 0; i < Q; i++) {
			int C = ni() - 1, D = ni() - 1;
			ref[i] = ((long) C << 32) | D;
			g[C].add(new Edge(C, D, i + 1));
			g[D].add(new Edge(D, C, i + 1));
		}
		Arrays.sort(ref);
		for (int i = 0; i < M; i++) {
			int idx = Arrays.binarySearch(ref, ((long) A[i] << 32) | B[i]);
			if (idx < 0) {
				g[A[i]].add(new Edge(A[i], B[i], Q + 1));
				g[B[i]].add(new Edge(B[i], A[i], Q + 1));
			}
		}

		ArrayDeque<Integer>[] pending = new ArrayDeque[Q + 2];
		for (int i = 0; i < Q + 2; i++)
			pending[i] = new ArrayDeque<>();
		pending[Q + 1].add(0);
		int[] d = new int[N];
		boolean[] checked = new boolean[N];
		for (int i = Q + 1; i >= 1; i--) {
			while (!pending[i].isEmpty()) {
				int v = pending[i].poll();
				if (checked[v])
					continue;
				d[v] = i;
				checked[v] = true;
				for (Edge e : g[v]) {
					if (checked[e.dst])
						continue;
					if (e.event_time >= i) {
						pending[i].add(e.dst);
					} else {
						pending[e.event_time].add(e.dst);
					}
				}
			}
		}
		for (int i = 1; i < N; i++) {
			if (d[i] == Q + 1) {
				out.println(-1);
			} else {
				out.println(d[i]);
			}
		}
	}

	void tr(Object... o) {
		System.out.println(Arrays.deepToString(o));
	}

	class Edge {
		int src;
		int dst;
		int event_time;

		Edge(int src, int dst, int event_time) {
			this.src = src;
			this.dst = dst;
			this.event_time = event_time;
		}
	}

	static InputStream is;
	static PrintWriter out;
	static String INPUT = "";

	public static void main(String[] args) throws Exception {
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);

		new Main().solver();
		;
		out.flush();
	}

	static long nl() {
		try {
			long num = 0;
			boolean minus = false;
			while ((num = is.read()) != -1 && !((num >= '0' && num <= '9') || num == '-'))
				;
			if (num == '-') {
				num = 0;
				minus = true;
			} else {
				num -= '0';
			}

			while (true) {
				int b = is.read();
				if (b >= '0' && b <= '9') {
					num = num * 10 + (b - '0');
				} else {
					return minus ? -num : num;
				}
			}
		} catch (IOException e) {
		}
		return -1;
	}

	static char nc() {
		try {
			int b = skip();
			if (b == -1)
				return 0;
			return (char) b;
		} catch (IOException e) {
		}
		return 0;
	}

	static double nd() {
		try {
			return Double.parseDouble(ns());
		} catch (Exception e) {
		}
		return 0;
	}

	static String ns() {
		try {
			int b = skip();
			StringBuilder sb = new StringBuilder();
			if (b == -1)
				return "";
			sb.append((char) b);
			while (true) {
				b = is.read();
				if (b == -1)
					return sb.toString();
				if (b <= ' ')
					return sb.toString();
				sb.append((char) b);
			}
		} catch (IOException e) {
		}
		return "";
	}

	public static char[] ns(int n) {
		char[] buf = new char[n];
		try {
			int b = skip(), p = 0;
			if (b == -1)
				return null;
			buf[p++] = (char) b;
			while (p < n) {
				b = is.read();
				if (b == -1 || b <= ' ')
					break;
				buf[p++] = (char) b;
			}
			return Arrays.copyOf(buf, p);
		} catch (IOException e) {
		}
		return null;
	}

	public static byte[] nse(int n) {
		byte[] buf = new byte[n];
		try {
			int b = skip();
			if (b == -1)
				return null;
			is.read(buf);
			return buf;
		} catch (IOException e) {
		}
		return null;
	}

	static int skip() throws IOException {
		int b;
		while ((b = is.read()) != -1 && !(b >= 33 && b <= 126))
			;
		return b;
	}

	static boolean eof() {
		try {
			is.mark(1000);
			int b = skip();
			is.reset();
			return b == -1;
		} catch (IOException e) {
			return true;
		}
	}

	static int ni() {
		try {
			int num = 0;
			boolean minus = false;
			while ((num = is.read()) != -1 && !((num >= '0' && num <= '9') || num == '-'))
				;
			if (num == '-') {
				num = 0;
				minus = true;
			} else {
				num -= '0';
			}

			while (true) {
				int b = is.read();
				if (b >= '0' && b <= '9') {
					num = num * 10 + (b - '0');
				} else {
					return minus ? -num : num;
				}
			}
		} catch (IOException e) {
		}
		return -1;
	}

}
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