結果

問題 No.205 マージして辞書順最小
ユーザー uwiuwi
提出日時 2015-05-09 00:24:45
言語 Java19
(openjdk 21)
結果
AC  
実行時間 107 ms / 5,000 ms
コード長 3,335 bytes
コンパイル時間 4,248 ms
コンパイル使用メモリ 81,764 KB
実行使用メモリ 53,544 KB
最終ジャッジ日時 2023-09-19 09:07:48
合計ジャッジ時間 6,533 ms
ジャッジサーバーID
(参考情報)
judge15 / judge14
このコードへのチャレンジ(β)

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 46 ms
49,352 KB
testcase_01 AC 45 ms
49,368 KB
testcase_02 AC 75 ms
53,544 KB
testcase_03 AC 87 ms
51,768 KB
testcase_04 AC 87 ms
51,796 KB
testcase_05 AC 75 ms
50,960 KB
testcase_06 AC 47 ms
49,356 KB
testcase_07 AC 101 ms
51,680 KB
testcase_08 AC 97 ms
51,832 KB
testcase_09 AC 96 ms
51,796 KB
testcase_10 AC 92 ms
52,128 KB
testcase_11 AC 86 ms
52,408 KB
testcase_12 AC 97 ms
52,000 KB
testcase_13 AC 107 ms
52,592 KB
testcase_14 AC 48 ms
49,396 KB
testcase_15 AC 46 ms
49,500 KB
testcase_16 AC 45 ms
49,368 KB
testcase_17 AC 45 ms
50,084 KB
testcase_18 AC 46 ms
49,560 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 contest;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Comparator;
import java.util.InputMismatchException;
import java.util.PriorityQueue;

public class Q412 {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		int n = ni();
		PriorityQueue<String> ss = new PriorityQueue<String>(1000, new Comparator<String>(){
			public int compare(String x, String y)
			{
				if(x.equals(y))return 0;
				if(x.startsWith(y))return -1;
				if(y.startsWith(x))return 1;
				return x.compareTo(y);
			}
		});
		for(int i = 0;i < n;i++){
			ss.add(ns());
		}
		while(!ss.isEmpty()){
			String cur = ss.poll();
			out.print(cur.charAt(0));
			if(cur.length() > 1){
				ss.add(cur.substring(1));
			}
		}
		out.println();
	}
	
	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");
	}
	
	public static void main(String[] args) throws Exception { new Q412().run(); }
	
	private byte[] inbuf = new byte[1024];
	private 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 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[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private int ni()
	{
		int num = 0, 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 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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