人间难得此少年a

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全部文章（共126篇）

题解 | 牛牛的一周

#include <stdio.h> int main() { int choice = 0; scanf("%d",&choice); switch (choice) { case 1: print...

2025-06-25

0 21

题解 | 牛牛的通勤

#include <stdio.h> int main() { char choice = 0; int Walk_Rate = 1; int taxi_Rate = 10; int distance = 0; int wait_time = 10...

2025-06-25

0 23

题解 | 查找GPA最高值

select gpa from user_profile where gpa = (select max(gpa) from user_profile where university = '复旦大学' )

2025-05-25

0 39

题解 | 操作符混合运用

select device_id, gender, age, university, gpa from user_profile where (gpa > 3.5 and university = '山东大学') or (gpa > 3.8 and university = '复旦大...

2025-05-25

1 48

题解 | 查询结果限制返回行数

select device_id from user_profile where id in(1,2)

2025-05-25

0 45

题解 | 查询结果去重

select distinct university from user_profile

2025-05-25

0 42

题解 | 查询所有列

select * from user_profile cuz地表最强

2025-05-25

1 53

题解 | 网购

#include <stdio.h> int main() { float price = 0; int month = 0; int date = 0; int num = -1; while ((month != 11 && ...

2025-05-18

0 47

题解 | 统计数据正负个数

#include <stdio.h> int main() { int num, i, negative = 0; int positive = 0; for (i = 1; i <= 10; i++) { scanf("%d&q...

2025-05-18

0 37

题解 | 牛牛的二三七整除

#include <stdio.h> int main() { int num, i, size = 0; int flag = -1; scanf("%d", &num); int arr[] = { 2, 3, 7 }; ...

2025-05-17

0 42