結果

問題 No.1016 三目並べ
ユーザー uwiuwi
提出日時 2020-04-03 21:32:23
言語 Java21
(openjdk 21)
結果
AC  
実行時間 67 ms / 2,000 ms
コード長 4,255 bytes
コンパイル時間 5,081 ms
コンパイル使用メモリ 91,420 KB
実行使用メモリ 38,172 KB
最終ジャッジ日時 2024-07-03 01:26:17
合計ジャッジ時間 4,808 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge3
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 49 ms
36,872 KB
testcase_01 AC 49 ms
37,060 KB
testcase_02 AC 47 ms
36,864 KB
testcase_03 AC 50 ms
37,248 KB
testcase_04 AC 50 ms
36,968 KB
testcase_05 AC 48 ms
36,888 KB
testcase_06 AC 50 ms
36,956 KB
testcase_07 AC 62 ms
37,848 KB
testcase_08 AC 62 ms
37,924 KB
testcase_09 AC 67 ms
38,172 KB
testcase_10 AC 67 ms
38,032 KB
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ソースコード

diff # 

package contest200403;
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 B {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		for(int T = ni();T > 0;T--)go();
	}
	
	void go()
	{
		int n = ni();
		char[] s = ns(n);
		for(int i = 0;i < n-2;i++){
			if(s[i] == 'o' && s[i+1] == 'o' && s[i+2] == 'o'){
				out.println("O");
				return;
			}
			if(s[i] == 'o' && s[i+1] == 'o' && s[i+2] == '-'){
				out.println("O");
				return;
			}
			if(s[i] == '-' && s[i+1] == 'o' && s[i+2] == 'o'){
				out.println("O");
				return;
			}
		}
		for(int i = 0;i < n-1;i++){
			if(s[i] == 'o' && s[i+1] == 'o'){
				s[i] = 'x';
				s[i+1] = 'x';
			}
		}
		for(int i = 0;i < n;i++){
			if(s[i] == 'o'){
				if(i-2 >= 0 && i+1 < n && s[i-2] != 'x' && s[i-1] != 'x' && s[i+1] != 'x'){
					out.println("O");
					return;
				}
				if(i-1 >= 0 && i+2 < n && s[i+2] != 'x' && s[i+1] != 'x' && s[i-1] != 'x'){
					out.println("O");
					return;
				}
				
				for(int k = i+1;k < n;k++){
					if(s[k] == 'x')break;
					if(s[k] == 'o'){
						int d = k-i;
						if(d % 2 == 0){
							out.println("O");
							return;
						}else if(k+1 < n && s[k+1] == '-'){
							out.println("O");
							return;
						}else if(i-1 >= 0 && s[i-1] == '-'){
							out.println("O");
							return;
						}
						break;
					}else{
						if(s[k] != '-')break;
					}
				}
			}
		}
		out.println("X");
	}
	
	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 B().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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