LeetCode 690. Employee Importance
Description https://leetcode.com/problems/employee-importance/ You have a data structure of employee information, which includes the employee’s unique id, their importance value, and…
Tag: Yelp Interview Question
LeetCode 1460. Make Two Arrays Equal by Reversing Sub-arrays
Description https://leetcode.com/problems/make-two-arrays-equal-by-reversing-sub-arrays/ Given two integer arrays of equal length target and arr. In one step, you can select any non-empty sub-array of arr and reverse it. You…
LeetCode 511. Game Play Analysis I
Description https://leetcode.com/problems/game-play-analysis-i/ SQL Schema Table: Activity +————–+———+ | Column Name | Type | +————–+———+ | player_id | int | | device_id…
LeetCode 1607. Sellers With No Sales
Description https://leetcode.com/problems/sellers-with-no-sales/ SQL Schema Table: Customer +—————+———+ | Column Name | Type | +—————+———+ | customer_id | int | | customer_name…
LeetCode 1903. Largest Odd Number in String
Description https://leetcode.com/problems/largest-odd-number-in-string/ You are given a string num, representing a large integer. Return the largest-valued odd integer (as a string) that is a non-empty substring of num,…
LeetCode 338. Counting Bits
Description https://leetcode.com/problems/counting-bits/ Given an integer n, return an array ans of length n + 1 such that for each i(0 <= i <= n), ans[i] is the number of 1‘s in the…
LeetCode 1874. Minimize Product Sum of Two Arrays
Description https://leetcode.com/problems/all-paths-from-source-to-target/ The product sum of two equal-length arrays a and b is equal to the sum of a[i] * b[i] for all 0 <= i < a.length (0-indexed). For…
LeetCode 797. All Paths From Source to Target
Description https://leetcode.com/problems/all-paths-from-source-to-target/ Given a directed acyclic graph (DAG) of n nodes labeled from 0 to n – 1, find all possible paths from node 0 to…
LeetCode 1890. The Latest Login in 2020
Description https://leetcode.com/problems/the-latest-login-in-2020/ SQL Schema Table: Logins +—————-+———-+ | Column Name | Type | +—————-+———-+ | user_id | int | | time_stamp…
LeetCode 1873. Calculate Special Bonus
Description https://leetcode.com/problems/calculate-special-bonus/ SQL Schema Table: Employees +————-+———+ | Column Name | Type | +————-+———+ | employee_id | int | | name…