【SQL刷题系列】:leetcode178 Rank Scores ▌题目描述 Suppose that a website contains two tables, the Customers table and the Orders table. Write a SQL query to find all customers who never order anything. 假设一个网站包含两个表: Customers和Orders。写出一个SQL查询语句找出所有没有任何订单的顾客。
Even or Odd - Which is Greater? Find sum of top-left to bottom-right diagonals Find the longest gap! Find the middle element Form The Minimum Give me a Diamond Highest Rank Number in an Array How old will I be in 2099? Insert dashes Integer Difference Is n divisible by (...)? Land...
Bonus 1: If I'm a cheater and try to check if a code is correct, I can just create a new account and submit it (because resubmit = -50 pts) instead of your way. Also, you can try to read all of the D's submissions and say all of them are cheated (joke). I submitted D t...
to be caught in 8 (he isn't dumb enough to not change the leaked code and get caught in every contest he cheated in). So of all the contests in his profile, at least half (or maybe all) of his contests are cheated. Final Message: If you are an Indian who is a fan of this g...
Answers to questions in the book Python: Modern and very expressive, I learned it because it's just super useful and also allows me to write less code in an interview. This is my preference. You do what you like, of course. You may not need it, but here are some sites for learning...