跪求要一个offer
跪求要一个offer
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跪求要一个offer的博客
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算法和编程题解
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题解 | #分组过滤练习题#
select university,avg(question_cnt) as avg_question_cnt, avg(answer_cnt) as avg_answer_cnt from user_profile group by university HAVING avg(question...
Mysql
2021-11-01
0
236
题解 | #分组计算练习题#
select gender,university,count(id) as user_num, AVG(active_days_within_30) as avg_activate_day, avg(question_cnt) as avg_question_cnt from user_profil...
Mysql
2021-11-01
0
272
题解 | #计算男生人数以及平均GPA#
SELECT COUNT(gender) as male_num,AVG(gpa) as avg_gpa from user_profile where gender="male";
Mysql
2021-11-01
0
188
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="复旦大学";
Mysql
2021-11-01
0
174
题解 | #Where in 和Not in#
SELECT device_id,gender,age,university,gpa from user_profile where university in (SELECT university from user_profile where university="北京大学" or univ...
Mysql
2021-11-01
1
612
题解 | #高级操作符练习(2)#
select device_id,gender,age,university,gpa from user_profile where university="北京大学" or gpa>3.7;
Mysql
2021-11-01
0
306
题解 | #高级操作符练习(1)#
SELECT device_id,gender,age,university,gpa from user_profile where gender="male" and gpa>3.5;
Mysql
2021-11-01
0
371
题解 | #判断链表中是否有环#
/** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode(int x) : val(x), next(NULL) {} ...
C++
2021-10-31
0
181
题解 | #回文数字#
class Solution { public: /** * * @param x int整型 * @return bool布尔型 */ bool isPalindrome(int x) { long result; ...
C++
2021-10-29
0
204
题解 | #反转数字#
class Solution { public: /** * * @param x int整型 * @return int整型 */ int reverse(int x) { int shu[33]; lon...
C++
2021-10-29
0
248
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