結果
問題 | No.317 辺の追加 |
ユーザー |
|
提出日時 | 2015-12-11 20:02:00 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 977 ms / 2,000 ms |
コード長 | 3,489 bytes |
コンパイル時間 | 3,959 ms |
コンパイル使用メモリ | 90,320 KB |
実行使用メモリ | 77,572 KB |
最終ジャッジ日時 | 2024-09-15 08:22:28 |
合計ジャッジ時間 | 31,472 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 38 |
ソースコード
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.PrintStream;import java.io.PrintWriter;import java.util.ArrayDeque;import java.util.ArrayList;import java.util.Arrays;import java.util.Deque;import java.util.HashMap;import java.util.Iterator;import java.util.List;import java.util.Map;import java.util.Map.Entry;public class Main_yukicoder317_2 {public static void main(String[] args) {Scanner sc = new Scanner(System.in);Printer pr = new Printer(System.out);int n = sc.nextInt();int m = sc.nextInt();List<List<Integer>> edges = new ArrayList<List<Integer>>();for (int i = 0; i < n; i++) {edges.add(new ArrayList<Integer>());}for (int i = 0; i < m; i++) {int u = sc.nextInt() - 1;int v = sc.nextInt() - 1;edges.get(u).add(v);edges.get(v).add(u);}boolean[] used = new boolean[n];Map<Integer, Integer> cnt = new HashMap<Integer, Integer>();for (int i = 0; i < n; i++) {if (used[i]) {continue;}Deque<Integer> st = new ArrayDeque<Integer>();st.push(i);used[i] = true;int tmp = 1;while (!st.isEmpty()) {int v = st.pop();for (int e : edges.get(v)) {if (used[e]) {continue;}st.push(e);used[e] = true;tmp++;}}if (cnt.containsKey(tmp)) {cnt.put(tmp, cnt.get(tmp) + 1);} else {cnt.put(tmp, 1);}}int[] dp = new int[n + 1];final int INF = Integer.MAX_VALUE / 2;Arrays.fill(dp, INF);dp[0] = 0;for (Entry<Integer, Integer> v : cnt.entrySet()) {int w = v.getKey();int nn = v.getValue();for (int j = 1; nn > 0; j *= 2) {int tmp = Math.min(j, nn);for (int i = n; i >= 0; i--) {if (i - tmp * w >= 0) {dp[i] = Math.min(dp[i], dp[i - tmp * w] + tmp);}}nn -= j;}}for (int i = 1; i <= n; i++) {if (dp[i] == INF) {pr.println(-1);} else {pr.println(dp[i] - 1);}}pr.close();sc.close();}@SuppressWarnings("unused")private static class Scanner {BufferedReader br;Iterator<String> it;Scanner (InputStream in) {br = new BufferedReader(new InputStreamReader(in));}String next() throws RuntimeException {try {if (it == null || !it.hasNext()) {it = Arrays.asList(br.readLine().split(" ")).iterator();}return it.next();} catch (IOException e) {throw new IllegalStateException();}}int nextInt() throws RuntimeException {return Integer.parseInt(next());}long nextLong() throws RuntimeException {return Long.parseLong(next());}float nextFloat() throws RuntimeException {return Float.parseFloat(next());}double nextDouble() throws RuntimeException {return Double.parseDouble(next());}void close() {try {br.close();} catch (IOException e) {// throw new IllegalStateException();}}}private static class Printer extends PrintWriter {Printer(PrintStream out) {super(out);}}}