人间难得此少年a

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全部文章（共74篇）

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 12

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

0 15

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 13

题解 | 查询结果去重

select distinct university from user_profile

2025-05-25

0 12

题解 | 查询所有列

select * from user_profile cuz地表最强

2025-05-25

1 11

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 18

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 21

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 20

题解 | 判断是不是字母

#include <stdio.h> int main() { char letter = 0; while (scanf("%c", &letter) != EOF) { getchar();//吃掉上次输入后的回车 ...

2025-05-15

0 18

题解 | 小乐乐找最大数

#include <stdio.h> int main() { int a, b, c, d, num1, num2= 0; scanf("%d %d %d %d",&a, &b, &c, &d); num1 ...

2025-05-07

0 19