結果

問題 No.483 マッチ並べ
ユーザー uwiuwi
提出日時 2017-02-10 22:26:41
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 3,348 bytes
コンパイル時間 5,546 ms
コンパイル使用メモリ 82,616 KB
実行使用メモリ 52,068 KB
最終ジャッジ日時 2024-06-09 06:01:46
合計ジャッジ時間 6,858 ms
ジャッジサーバーID
(参考情報)
judge3 / judge5
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 45 ms
50,320 KB
testcase_01 AC 46 ms
50,284 KB
testcase_02 AC 45 ms
50,284 KB
testcase_03 WA -
testcase_04 WA -
testcase_05 WA -
testcase_06 AC 46 ms
49,824 KB
testcase_07 WA -
testcase_08 WA -
testcase_09 WA -
testcase_10 WA -
testcase_11 AC 47 ms
50,104 KB
testcase_12 AC 46 ms
50,096 KB
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 AC 45 ms
50,232 KB
testcase_17 AC 45 ms
49,840 KB
testcase_18 AC 45 ms
50,116 KB
testcase_19 WA -
testcase_20 AC 45 ms
50,232 KB
testcase_21 AC 45 ms
50,120 KB
testcase_22 AC 45 ms
49,928 KB
testcase_23 AC 45 ms
50,104 KB
testcase_24 AC 44 ms
50,064 KB
testcase_25 WA -
testcase_26 WA -
testcase_27 AC 46 ms
49,816 KB
testcase_28 AC 46 ms
50,036 KB
testcase_29 AC 45 ms
49,824 KB
testcase_30 WA -
testcase_31 AC 44 ms
49,888 KB
testcase_32 AC 45 ms
50,100 KB
testcase_33 AC 44 ms
50,076 KB
testcase_34 AC 45 ms
49,864 KB
testcase_35 WA -
testcase_36 WA -
testcase_37 WA -
testcase_38 WA -
testcase_39 WA -
testcase_40 AC 47 ms
50,112 KB
testcase_41 AC 48 ms
50,080 KB
testcase_42 AC 48 ms
50,216 KB
testcase_43 WA -
testcase_44 WA -
testcase_45 WA -
testcase_46 WA -
testcase_47 WA -
testcase_48 WA -
testcase_49 WA -
testcase_50 WA -
testcase_51 WA -
testcase_52 WA -
testcase_53 AC 46 ms
50,352 KB
testcase_54 AC 45 ms
50,264 KB
testcase_55 AC 44 ms
50,220 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 contest170210;
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 D {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		int n = ni();
		int[][] co = new int[2*n][2];
		int[][] f = new int[111][111];
		for(int i = 0;i < 2*n;i++){
			co[i] = new int[]{ni(), ni()};
			f[co[i][0]][co[i][1]]++;
		}
		for(int i = 0;i < 111;i++){
			for(int j = 0;j < 111;j++){
				if(f[i][j] > 2){
					out.println("NO");
					return;
				}
			}
		}
		out.println("YES");
	}
	
	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 D().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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