用Java代码实现， 猜女朋友生日，很有意思！

package 贪心;
/*
作者     :XiangLin
创建时间 :2023/8/23 10:53
文件     :GussBirthday.java
IDE      :IntelliJ IDEA
*/

import java.util.Scanner;

public class GussBirthday {
    public static void main(String[] args) {
        String set1 =
                "1 3 5 7\n" +
                "9 11 13 15\n" +
                "17 19 21 23\n" +
                "25 27 29 31";

        String set2 =
                "2 3 6 7\n" +
                "10 11 14 15\n" +
                "18 19 22 23\n" +
                "26 27 30 31";

        String set3 =
                " 4  5  6  7" +
                 "\n 12 13 14 15" +
                 "\n 20 21 22 23" +
                 "\n 28 29 30 31";

        String set4 =
                " 8  9 10 11" +
                "\n 12 13 14 15" +
                "\n 24 25 26 27" +
                 "\n 28 29 30 31";

        String set5 =
                " 16 17 18 19" +
                "\n 20 21 22 23" +
                "\n 24 25 26 27" +
                "\n 28 29 230 31";

        int  day = 0;

        // Create Scanner
        Scanner input = new Scanner(System.in);

        // Prompt the user to answer questions
        System.out.println("Is your birthday in Set1?\n");
        System.out.println(set1);
        System.out.println("\nEnter 0 for No and 1 for Yes: ");
        int answer = input.nextInt();

        if (answer == 1)
            day += 1;

        // Prompt the user to answer questions
        System.out.println("Is your birthday in Set2?\n");
        System.out.println(set2);
        System.out.println("\nEnter 0 for No and 1 for Yes: ");
        answer = input.nextInt();

        if (answer == 1)
             day += 2;

        // Prompt the user to answer questions
        System.out.println("Is your birthday in Set3?\n");
        System.out.println(set3);
        System.out.println("\nEnter 0 for No and 1 for Yes: ");
        answer = input.nextInt();

        if (answer == 1)
            day += 4;

        // Prompt the user to answer questions
        System.out.println("Is your birthday in Set4?\n");
        System.out.println(set4);
        System.out.println("\nEnter 0 for No and 1 for Yes: ");
        answer = input.nextInt();

        if (answer == 1)
             day += 8;

        // Prompt the user to answer questions
        System.out.println("Is your birthday in Set5?\n");
        System.out.println(set5);
        System.out.println("\nEnter 0 for No and 1 for Yes: ");
        answer = input.nextInt();

        if (answer == 1)
            day += 16;

        System.out.println("\nYour birthday is " + day + "!");

    }
}

Is your birthday in Set1?

1 3 5 7
9 11 13 15
17 19 21 23
25 27 29 31

Enter 0 for No and 1 for Yes: 
1
Is your birthday in Set2?

2 3 6 7
10 11 14 15
18 19 22 23
26 27 30 31

Enter 0 for No and 1 for Yes: 
1
Is your birthday in Set3?

 4  5  6  7
 12 13 14 15
 20 21 22 23
 28 29 30 31

Enter 0 for No and 1 for Yes: 
0
Is your birthday in Set4?

 8  9 10 11
 12 13 14 15
 24 25 26 27
 28 29 30 31

Enter 0 for No and 1 for Yes: 
0
Is your birthday in Set5?

 16 17 18 19
 20 21 22 23
 24 25 26 27
 28 29 230 31

Enter 0 for No and 1 for Yes: 
1

Your birthday is 19!