LeetCode-SQL-Solutions Description The SQL 50 on LeetCode provided an extensive collection of SQL problems covering a wide range of concepts and techniques. This challenge included easy, medium and hard level questions from various topics like- Selects Basic Joins Basic Aggregate Functions Sorting an...
Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.
SELECT IFNULL(ROUND(COUNT(DISTINCT session_id) / COUNT(DISTINCT user_id), 2), 0) AS average_sessions_per_user FROM Activity WHERE DATEDIFF('2019-07-27', activity_date) < 30 -- WHERE activity_date BETWEEN '2019-06-28' AND '2019-07-27' 作者:LeetCode-Solution 链接:https://leetcode-...
Oracle基本的sql和存储过程也还可以、shell脚本改一改也能改、Java端代码写个各种Excel然后导出 FTP文件...
🚀 LeetCode From Zero To One & 题单整理 & 题解分享 & 算法模板 & 刷题路线,持续更新中... algorithm leetcode cpp interview offer datastructures-algorithms leetcode-solution tonngw Updated Mar 22, 2023 leetlab11 / Advanced-SQL-50 Star 50 Code Issues Pull requests LeetCode Premium ...
class Solution { public String shortestCompletingWord(String licensePlate, String[] words) { Map<Character,Integer> charCountMap = new HashMap<>(); for(Character c : licensePlate.toCharArray()) { if (Character.isLetter(c)) { char lower = Character.toLowerCase(c); charCountMap.put(lower,...
classSolution:defmyPow(self, x: float, n: int) ->float:ifn <0: x= 1/x n= -ndefmul(n): a= n//2b= n%2ifn ==0:return1.0else: y=mul(a)ifb ==0:returny*yelse:returny*y*x result=mul(n)returnresult 迭代 classSolution:defmyPow(self, x: float, n: int) ->float:ifn <0:...
-- solution3 SELECT w1.id FROM Weather w1 JOIN Weather w2 ON DATEDIFF(w1.recordDate, w2.recordDate) = 1 WHERE w1.temperature > w2.temperature; 51 changes: 51 additions & 0 deletions 51 570.managers_with_at_least_5_direct_reports/main.sql Original file line numberDiff line numberDiff ...
classSolution:deflargestBSTSubtree(self,root:TreeNode)->int:self.res=0defisValid(root,t1,t2):ifnot root:return0ifroot.val>=t2 or root.val<=t1:returnfloat("-inf")return1+isValid(root.left,t1,root.val)+isValid(root.right,root.val,t2)defhelper(root):ifnot root:returnself.res=max(sel...
leetcode-c leetcode-cpp leetcode-go leetcode-python leetcode-shell leetcode-sql LICENSE readme.md Repository files navigation README GPL-3.0 license leetcode自由刷题说明代码主要由C/C++或者Go语言编写,少量python,部分题目为SQL或者shell脚本操作,可根据文件后缀判断; 全部代码解法均为时间最...