結果

問題 No.943 取り調べ
ユーザー uwiuwi
提出日時 2019-12-05 22:09:26
言語 Java21
(openjdk 21)
結果
AC  
実行時間 113 ms / 1,206 ms
コード長 3,826 bytes
コンパイル時間 3,468 ms
コンパイル使用メモリ 89,948 KB
実行使用メモリ 51,728 KB
最終ジャッジ日時 2024-06-02 06:52:33
合計ジャッジ時間 5,813 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge1
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 48 ms
50,152 KB
testcase_01 AC 49 ms
50,188 KB
testcase_02 AC 49 ms
50,424 KB
testcase_03 AC 52 ms
50,476 KB
testcase_04 AC 88 ms
51,728 KB
testcase_05 AC 71 ms
51,356 KB
testcase_06 AC 80 ms
51,640 KB
testcase_07 AC 50 ms
50,144 KB
testcase_08 AC 113 ms
51,728 KB
testcase_09 AC 73 ms
51,624 KB
testcase_10 AC 82 ms
51,532 KB
testcase_11 AC 82 ms
51,580 KB
testcase_12 AC 50 ms
50,240 KB
testcase_13 AC 50 ms
50,244 KB
testcase_14 AC 50 ms
50,404 KB
testcase_15 AC 51 ms
50,428 KB
testcase_16 AC 50 ms
49,940 KB
testcase_17 AC 75 ms
51,516 KB
testcase_18 AC 50 ms
50,296 KB
testcase_19 AC 49 ms
49,920 KB
testcase_20 AC 52 ms
50,336 KB
testcase_21 AC 52 ms
50,400 KB
testcase_22 AC 85 ms
51,568 KB
testcase_23 AC 107 ms
51,556 KB
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ソースコード

diff # 

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 AdvD6 {
	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[] g = new int[n];
		for(int i = 0;i < n;i++) {
			for(int j = 0;j < n;j++) {
				g[i] |= a[i][j]<<j;
			}
		}
		
		int[] w = na(n);
		long ans = 999999999;
		int[] dp = new int[1<<n];
		for(int i = 1;i < 1<<n;i++) {
			dp[i] = dp[i&i-1] + w[Integer.numberOfTrailingZeros(i)];
		}
		
		for(int i = 0;i < 1<<n;i++) {
			if(dp[i] >= ans)continue;
			int fact = i;
			int paint = 0;
			while(true) {
				boolean ch = false;
				for(int k = ~paint;k != 0;k&=k-1) {
					int j = Integer.numberOfTrailingZeros(k);
					if(j >= n)break;
					if((fact&g[j]) == g[j]) {
						paint |= 1<<j;
						fact |= 1<<j;
						ch = true;
					}
				}
				if(!ch)break;
			}
			if(paint + 1 == 1<<n){
				ans = dp[i];
			}
		}
		out.println(ans);
	}
	
	void run() throws Exception
	{
		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 AdvD6().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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