题解 | 小红的夹吃棋

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int t = sc.nextInt();
        while (t-- > 0) {
            solve(sc);
        }
    }

    public static void solve(Scanner sc) {
        String[] board = new String[3];
        for (int i = 0; i < 3; i++) {
            board[i] = sc.next();
        }

        boolean kou_eaten = false;
        boolean yukari_eaten = false;

        // 检查横向
        for (int i = 0; i < 3; i++) {
            if (board[i].equals("o*o")) {
                kou_eaten = true;
            }
            if (board[i].equals("*o*")) {
                yukari_eaten = true;
            }
        }

        // 检查纵向
        for (int j = 0; j < 3; j++) {
            String col = "" + board[0].charAt(j) + board[1].charAt(j) + board[2].charAt(j);
            if (col.equals("o*o")) {
                kou_eaten = true;
            }
            if (col.equals("*o*")) {
                yukari_eaten = true;
            }
        }

        if (kou_eaten && !yukari_eaten) {
            System.out.println("yukari");
        } else if (!kou_eaten && yukari_eaten) {
            System.out.println("kou");
        } else {
            System.out.println("draw");
        }
    }
}