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题解 | 二进制数1-Java

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); ...

2025-10-21

1 17

题解 | 游游的排列构造-Java

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n...

2025-10-21

1 10

题解 | 更新用户积分信息？-SQL

select a.user_id, (point + add_point) as point from ( select user_id, sum(order_price) as add_point from order_tb where order_price > 1...

2025-10-20

1 18

题解 | 统计用户获得积分-SQL

SELECT user_id, SUM(diff) AS point FROM ( SELECT user_id, FLOOR( TIMESTAMPDIFF(MINUTE, vis...

2025-10-20

1 13

题解 | 统计员工薪资扣除比例-SQL

select sa.staff_id, staff_name, concat(round(dock_salary / normal_salary * 100, 1), '%') as dock_ratio from salary_tb as sa inner ...

2025-10-20

1 16

题解 | 小红的排列构造②-Java

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n...

2025-10-16

1 14

题解 | 构造数列-Java

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int T...

2025-10-16

1 14

题解 | 小红的排列构造①-Java

import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in =...

2025-10-16

1 15

题解 | 构造三角形-Java

import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in =...

2025-10-15

1 15

题解 | 构造数独-Java

import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in =...

2025-10-15

1 16