結果

問題 No.519 アイドルユニット
ユーザー uwiuwi
提出日時 2017-05-28 23:50:16
言語 Java21
(openjdk 21)
結果
AC  
実行時間 118 ms / 1,000 ms
コード長 3,785 bytes
コンパイル時間 3,257 ms
コンパイル使用メモリ 86,276 KB
実行使用メモリ 120,304 KB
最終ジャッジ日時 2024-10-03 03:53:39
合計ジャッジ時間 6,742 ms
ジャッジサーバーID
(参考情報)
judge3 / judge1
このコードへのチャレンジ
(要ログイン)

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 116 ms
120,148 KB
testcase_01 AC 112 ms
119,828 KB
testcase_02 AC 87 ms
70,400 KB
testcase_03 AC 61 ms
50,744 KB
testcase_04 AC 46 ms
50,264 KB
testcase_05 AC 44 ms
50,112 KB
testcase_06 AC 44 ms
50,108 KB
testcase_07 AC 45 ms
50,236 KB
testcase_08 AC 45 ms
50,212 KB
testcase_09 AC 56 ms
50,056 KB
testcase_10 AC 49 ms
50,280 KB
testcase_11 AC 58 ms
51,256 KB
testcase_12 AC 49 ms
49,988 KB
testcase_13 AC 71 ms
50,984 KB
testcase_14 AC 69 ms
51,020 KB
testcase_15 AC 69 ms
50,956 KB
testcase_16 AC 69 ms
50,876 KB
testcase_17 AC 75 ms
51,104 KB
testcase_18 AC 58 ms
50,408 KB
testcase_19 AC 68 ms
50,544 KB
testcase_20 AC 71 ms
51,140 KB
testcase_21 AC 74 ms
50,912 KB
testcase_22 AC 63 ms
51,084 KB
testcase_23 AC 68 ms
50,912 KB
testcase_24 AC 79 ms
55,492 KB
testcase_25 AC 69 ms
55,528 KB
testcase_26 AC 75 ms
55,704 KB
testcase_27 AC 72 ms
55,536 KB
testcase_28 AC 70 ms
55,576 KB
testcase_29 AC 116 ms
119,816 KB
testcase_30 AC 113 ms
120,304 KB
testcase_31 AC 118 ms
120,100 KB
testcase_32 AC 115 ms
120,020 KB
testcase_33 AC 48 ms
49,964 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

package contest170528;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;

public class D4 {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		int n = ni();
		int[][] a = new int[n][];
		for(int i = 0;i < n;i++){
			a[i] = na(n);
		}
		
		int[] dp = new int[1<<n];
		Arrays.fill(dp, -9);
		dp[0] = 0;
		for(int i = 0;i+1 < 1<<n;i++){
			if(dp[i] < 0)continue;
			int j = Integer.numberOfTrailingZeros(~i);
			int[] w = a[j];
			for(int u = (1<<n)-1^i^1<<j;u != 0;u &= u-1){
				int k = Integer.numberOfTrailingZeros(u);
				int ni = i|1<<j|1<<k;
				dp[ni] = Math.max(dp[ni], dp[i] + w[k]);
			}
		}
		out.println(dp[(1<<n)-1]);
		
	}
	
	void run() throws Exception
	{
//		int n = 24, m = 99999;
//		Random gen = new Random();
//		StringBuilder sb = new StringBuilder();
//		sb.append(n + " ");
//		for (int i = 0; i < n; i++) {
//			for(int j = 0;j < n;j++){
//				sb.append(gen.nextInt(1000) + " ");
//			}
//		}
//		INPUT = sb.toString();

		
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//		Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
//			@Override
//			public void run() {
//				long s = System.currentTimeMillis();
//				solve();
//				out.flush();
//				if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//			}
//		};
//		t.start();
//		t.join();
	}
	
	public static void main(String[] args) throws Exception { new D4().run(); }
	
	private byte[] inbuf = new byte[1024];
	public int lenbuf = 0, ptrbuf = 0;
	
	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}
	
	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
	
	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }
	
	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	
	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
	
	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private long[] nal(int n)
	{
		long[] a = new long[n];
		for(int i = 0;i < n;i++)a[i] = nl();
		return a;
	}
	
	private char[][] nm(int n, int m) {
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}
	
	private int[][] nmi(int n, int m) {
		int[][] map = new int[n][];
		for(int i = 0;i < n;i++)map[i] = na(m);
		return map;
	}
	
	private int ni() { return (int)nl(); }
	
	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}
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