結果

問題 No.771 しおり
ユーザー uwiuwi
提出日時 2018-12-19 00:04:50
言語 Java21
(openjdk 21)
結果
AC  
実行時間 489 ms / 2,000 ms
コード長 3,755 bytes
コンパイル時間 4,443 ms
コンパイル使用メモリ 80,668 KB
実行使用メモリ 92,032 KB
最終ジャッジ日時 2024-07-22 07:05:41
合計ジャッジ時間 13,482 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge5
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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 449 ms
91,400 KB
testcase_01 AC 128 ms
57,060 KB
testcase_02 AC 56 ms
50,248 KB
testcase_03 AC 55 ms
50,316 KB
testcase_04 AC 55 ms
50,264 KB
testcase_05 AC 54 ms
50,324 KB
testcase_06 AC 55 ms
50,232 KB
testcase_07 AC 56 ms
49,928 KB
testcase_08 AC 55 ms
50,068 KB
testcase_09 AC 54 ms
50,216 KB
testcase_10 AC 54 ms
49,964 KB
testcase_11 AC 53 ms
50,048 KB
testcase_12 AC 53 ms
50,012 KB
testcase_13 AC 53 ms
50,204 KB
testcase_14 AC 58 ms
49,868 KB
testcase_15 AC 53 ms
49,864 KB
testcase_16 AC 53 ms
49,980 KB
testcase_17 AC 54 ms
50,304 KB
testcase_18 AC 56 ms
50,336 KB
testcase_19 AC 53 ms
49,740 KB
testcase_20 AC 53 ms
50,460 KB
testcase_21 AC 54 ms
50,284 KB
testcase_22 AC 54 ms
50,152 KB
testcase_23 AC 55 ms
50,288 KB
testcase_24 AC 55 ms
50,336 KB
testcase_25 AC 332 ms
76,388 KB
testcase_26 AC 70 ms
51,068 KB
testcase_27 AC 127 ms
57,120 KB
testcase_28 AC 187 ms
61,548 KB
testcase_29 AC 134 ms
57,444 KB
testcase_30 AC 483 ms
91,996 KB
testcase_31 AC 489 ms
92,016 KB
testcase_32 AC 96 ms
51,804 KB
testcase_33 AC 485 ms
91,876 KB
testcase_34 AC 476 ms
91,676 KB
testcase_35 AC 98 ms
51,900 KB
testcase_36 AC 69 ms
50,696 KB
testcase_37 AC 67 ms
50,532 KB
testcase_38 AC 96 ms
51,904 KB
testcase_39 AC 67 ms
50,652 KB
testcase_40 AC 331 ms
76,212 KB
testcase_41 AC 478 ms
91,672 KB
testcase_42 AC 481 ms
91,796 KB
testcase_43 AC 138 ms
57,400 KB
testcase_44 AC 489 ms
92,032 KB
testcase_45 AC 456 ms
91,672 KB
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ソースコード

diff # 

package adv2018;
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 Day19 {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		int n = ni();
		int[] a = new int[n];
		int[] b = new int[n];
		for(int i = 0;i < n;i++){
			a[i] = ni();
			b[i] = ni();
		}
		
		long[][] dp = new long[1<<n][n];
		for(int i = 0;i < 1<<n;i++){
			Arrays.fill(dp[i], Long.MAX_VALUE/2);
		}
		for(int i = 1;i < 1<<n;i++){
			if(Integer.bitCount(i) == 1){
				dp[i][Integer.numberOfTrailingZeros(i)] = 0;
			}else{
				for(int j = 0;j < n;j++){
					if(i<<~j<0){
						for(int k = 0;k < n;k++){
							if(j != k && i<<~k<0){
								dp[i][j] = Math.min(dp[i][j], 
										Math.max(dp[i^1<<j][k], b[k]-a[k] + a[j])
								);
							}
						}
					}
				}
			}
		}
		long min = Long.MAX_VALUE;
		for(int i = 0;i < n;i++){
			min = Math.min(min, dp[(1<<n)-1][i]);
		}
		out.println(min);
	}
	
	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 Day19().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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