結果

問題 No.923 オセロきりきざむたん
ユーザー uwiuwi
提出日時 2019-11-08 22:49:45
言語 Java21
(openjdk 21)
結果
AC  
実行時間 88 ms / 2,000 ms
コード長 3,803 bytes
コンパイル時間 4,053 ms
コンパイル使用メモリ 86,160 KB
実行使用メモリ 41,252 KB
最終ジャッジ日時 2024-09-15 02:53:47
合計ジャッジ時間 11,297 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
(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 50 ms
37,040 KB
testcase_01 AC 50 ms
37,024 KB
testcase_02 AC 51 ms
36,552 KB
testcase_03 AC 50 ms
36,992 KB
testcase_04 AC 49 ms
36,932 KB
testcase_05 AC 50 ms
36,764 KB
testcase_06 AC 50 ms
36,756 KB
testcase_07 AC 52 ms
36,892 KB
testcase_08 AC 52 ms
36,764 KB
testcase_09 AC 51 ms
36,992 KB
testcase_10 AC 51 ms
36,568 KB
testcase_11 AC 49 ms
36,508 KB
testcase_12 AC 50 ms
36,648 KB
testcase_13 AC 52 ms
36,884 KB
testcase_14 AC 51 ms
36,916 KB
testcase_15 AC 50 ms
36,764 KB
testcase_16 AC 51 ms
36,904 KB
testcase_17 AC 50 ms
36,664 KB
testcase_18 AC 50 ms
37,000 KB
testcase_19 AC 49 ms
36,884 KB
testcase_20 AC 51 ms
36,972 KB
testcase_21 AC 48 ms
36,984 KB
testcase_22 AC 50 ms
37,032 KB
testcase_23 AC 51 ms
36,548 KB
testcase_24 AC 50 ms
36,504 KB
testcase_25 AC 51 ms
37,040 KB
testcase_26 AC 60 ms
37,212 KB
testcase_27 AC 62 ms
36,952 KB
testcase_28 AC 68 ms
37,436 KB
testcase_29 AC 63 ms
37,248 KB
testcase_30 AC 57 ms
36,844 KB
testcase_31 AC 60 ms
36,684 KB
testcase_32 AC 49 ms
36,568 KB
testcase_33 AC 50 ms
36,692 KB
testcase_34 AC 50 ms
36,808 KB
testcase_35 AC 51 ms
36,744 KB
testcase_36 AC 49 ms
36,744 KB
testcase_37 AC 51 ms
36,664 KB
testcase_38 AC 52 ms
36,916 KB
testcase_39 AC 50 ms
36,516 KB
testcase_40 AC 50 ms
36,764 KB
testcase_41 AC 51 ms
36,992 KB
testcase_42 AC 50 ms
36,680 KB
testcase_43 AC 49 ms
36,640 KB
testcase_44 AC 49 ms
36,672 KB
testcase_45 AC 53 ms
36,532 KB
testcase_46 AC 51 ms
36,756 KB
testcase_47 AC 52 ms
36,848 KB
testcase_48 AC 52 ms
36,660 KB
testcase_49 AC 52 ms
36,660 KB
testcase_50 AC 78 ms
38,320 KB
testcase_51 AC 77 ms
38,064 KB
testcase_52 AC 78 ms
38,024 KB
testcase_53 AC 78 ms
39,324 KB
testcase_54 AC 77 ms
38,420 KB
testcase_55 AC 77 ms
38,684 KB
testcase_56 AC 79 ms
38,684 KB
testcase_57 AC 50 ms
36,900 KB
testcase_58 AC 51 ms
36,864 KB
testcase_59 AC 51 ms
36,844 KB
testcase_60 AC 51 ms
36,768 KB
testcase_61 AC 53 ms
36,884 KB
testcase_62 AC 51 ms
36,900 KB
testcase_63 AC 50 ms
36,532 KB
testcase_64 AC 53 ms
36,552 KB
testcase_65 AC 88 ms
41,252 KB
testcase_66 AC 87 ms
40,988 KB
testcase_67 AC 81 ms
40,612 KB
testcase_68 AC 83 ms
40,764 KB
testcase_69 AC 66 ms
37,144 KB
testcase_70 AC 75 ms
37,752 KB
testcase_71 AC 81 ms
40,528 KB
testcase_72 AC 66 ms
37,652 KB
testcase_73 AC 49 ms
36,516 KB
testcase_74 AC 53 ms
36,680 KB
testcase_75 AC 60 ms
37,148 KB
testcase_76 AC 55 ms
37,060 KB
testcase_77 AC 68 ms
37,632 KB
testcase_78 AC 52 ms
36,788 KB
testcase_79 AC 58 ms
37,128 KB
testcase_80 AC 69 ms
37,636 KB
testcase_81 AC 58 ms
37,112 KB
testcase_82 AC 66 ms
37,564 KB
testcase_83 AC 55 ms
36,892 KB
testcase_84 AC 67 ms
37,500 KB
testcase_85 AC 61 ms
37,168 KB
testcase_86 AC 60 ms
36,844 KB
testcase_87 AC 64 ms
37,172 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 contest191108;
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 m = ni();
		char[][] map = nm(n, m);
		if(n == 1 && m == 1) {
			out.println(map[0][0] == '1' ? "YES" : "NO");
			return;
		}
		if(n >= 2 && m >= 2) {
			int ptn = 0;
			inner:
			for(int i = 0;i < n;i++) {
				for(int j = 0;j < m;j++) {
					if(map[i][j] != map[i][0]) {
						continue inner;
					}
				}
				ptn |= 1;
			}
			inner:
			for(int i = 0;i < m;i++) {
				for(int j = 0;j < n;j++) {
					if(map[j][i] != map[0][i]) {
						continue inner;
					}
				}
				ptn |= 2;
			}
			if(ptn == 3) {
				out.println("NO");
			}else {
				out.println("YES");
			}
		}else {
			for(int i = 0;i < n;i++) {
				for(int j = 0;j < m;j++) {
					if(map[i][j] != map[0][0]) {
						out.println("YES");
						return;
					}
				}
			}
			out.println("NO");
			return;
		}
	}
	
	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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