qcccq

分类

题解(15)

/ 注册

全部文章（共22篇）

题解 | #反转链表#

class Solution { public: ListNode* ReverseList(ListNode* pHead) { if (pHead==NULL) return pHead; ListNode*pre=pHead,*p,*post; p=pre->next...

2023-05-11

0 170

题解 | #合并两个排序的链表#

class Solution { public: ListNode* Merge(ListNode* pHead1, ListNode* pHead2) { ListNode* p1=pHead1; ListNode* p2=pHead2; ListNode *r,*...

2023-05-08

0 213

题解 | #获取每个部门中当前员工薪水最高的相关信息#

select temp.dept_no,dept_emp.emp_no,salaryfrom salaries,dept_emp, ( select &nb...

2023-05-06

0 159

题解 | #查找入职员工时间排名倒数第三的员工所有信息#

select * from employees where hire_date=( select distinct hire_date from employees order by hire_date desc limit 1 offset 2)

2023-05-06

0 185

题解 | #查找最晚入职员工的所有信息#

select *from employees where hire_date=( select max(hire_date) from employees -- 先得出最晚入职时间 )

2023-05-06

0 187

题解 | #顾客登录名#

select cust_id,cust_name,upper(concat(left(cust_contact,2),left(cust_city,3))) user_login from Customers

Mysql

2022-08-27

0 187

题解 | #计算某字符出现次数#

#include<stdio.h> #include<ctype.h> int main() { char str[1000]={0},input; int&n...

C

2022-06-16

0 298

题解 | #统计成绩#

#include<stdio.h> int main() { int n; float score[100],sum=0,min=100,max=0; ...

C

2022-04-08

0 279

题解 | #图像相似度#

m,n=map(int,input().split(' ')) list_=[] sum=0 for i in range(2*m): list_num=list(map(int,input().split('&...

Python3

2022-03-12

1 331

题解 | #矩阵计算#

N, m = map(int, input("").split(' ')) list_num=[] sum=0 for i in range(N): num =&...

Python3

2022-03-12

0 334