LeetCode 1795. Rearrange Products Table
Description https://leetcode.com/problems/rearrange-products-table/ SQL Schema Table: Products +————-+———+ | Column Name | Type | +————-+———+ | product_id | int | | store1…
Tag: Yahoo Interview Question
LeetCode 586. Customer Placing the Largest Number of Orders
Description https://leetcode.com/problems/customer-placing-the-largest-number-of-orders/ SQL Schema Table: Orders +—————–+———-+ | Column Name | Type | +—————–+———-+ | order_number | int | | customer_number…
LeetCode 1050. Actors and Directors Who Cooperated At Least Three Times
Description https://leetcode.com/problems/actors-and-directors-who-cooperated-at-least-three-times/ SQL Schema Table: ActorDirector +————-+———+ | Column Name | Type | +————-+———+ | actor_id | int | | director_id…
LeetCode 1517. Find Users With Valid E-Mails
Description https://leetcode.com/problems/find-users-with-valid-e-mails/ SQL Schema Table: Users +—————+———+ | Column Name | Type | +—————+———+ | user_id | int | | name…
LeetCode 788. Rotated Digits
Description https://leetcode.com/problems/rotated-digits/ x is a good number if after rotating each digit individually by 180 degrees, we get a valid number…
LeetCode 1763. Longest Nice Substring
Description https://leetcode.com/problems/longest-nice-substring/ A string s is nice if, for every letter of the alphabet that s contains, it appears both in uppercase and lowercase. For example, “abABB” is nice because ‘A’ and ‘a’ appear,…
LeetCode 872. Leaf-Similar Trees
Description https://leetcode.com/problems/leaf-similar-trees/ Consider all the leaves of a binary tree, from left to right order, the values of those leaves form a leaf…
LeetCode 706. Design HashMap
Description https://leetcode.com/problems/design-hashmap/ Design a HashMap without using any built-in hash table libraries. Implement the MyHashMap class: MyHashMap() initializes the object with an empty…
LeetCode 1327. List the Products Ordered in a Period
Description https://leetcode.com/problems/list-the-products-ordered-in-a-period/ SQL Schema Table: Products +——————+———+ | Column Name | Type | +——————+———+ | product_id | int | | product_name…
LeetCode 1777. Product’s Price for Each Store
Description https://leetcode.com/problems/products-price-for-each-store/ SQL Schema Table: Products +————-+———+ | Column Name | Type | +————-+———+ | product_id | int | | store…