LeetCode 1068. Product Sales Analysis I
Description https://leetcode.com/problems/product-sales-analysis-i/ SQL Schema Table: Sales +————-+——-+ | Column Name | Type | +————-+——-+ | sale_id | int | | product_id…
Tag: Amazon Interview Question
LeetCode 938. Range Sum of BST
Description https://leetcode.com/problems/range-sum-of-bst/solution/ Given the root node of a binary search tree, return the sum of values of all nodes with a value in…
LeetCode 1684. Count the Number of Consistent Strings
Description https://leetcode.com/problems/count-the-number-of-consistent-strings/ You are given a string allowed consisting of distinct characters and an array of strings words. A string is consistent if all characters in the…
LeetCode 1069. Product Sales Analysis II
Description https://leetcode.com/problems/product-sales-analysis-ii/ SQL Schema Table: Sales +————-+——-+ | Column Name | Type | +————-+——-+ | sale_id | int | | product_id…
LeetCode 1662. Check If Two String Arrays are Equivalent
Description https://leetcode.com/problems/check-if-two-string-arrays-are-equivalent/ Given two string arrays word1 and word2, returntrue if the two arrays represent the same string, and false otherwise. A string is represented by an array if the…
LeetCode 1407. Top Travellers
Description https://leetcode.com/problems/top-travellers/ SQL Schema Table: Users +—————+———+ | Column Name | Type | +—————+———+ | id | int | | name…
LeetCode 1165. Single-Row Keyboard
Description https://leetcode.com/problems/single-row-keyboard/ There is a special keyboard with all keys in a single row. Given a string keyboard of length 26 indicating the…
LeetCode 1486. XOR Operation in an Array
Description https://leetcode.com/problems/xor-operation-in-an-array/ Given an integer n and an integer start. Define an array nums where nums[i] = start + 2*i (0-indexed) and n == nums.length. Return the bitwise XOR of…
LeetCode 1389. Create Target Array in the Given Order
Description https://leetcode.com/problems/create-target-array-in-the-given-order/ Given two arrays of integers nums and index. Your task is to create target array under the following rules: Initially target array is empty. From…
LeetCode 1313. Decompress Run-Length Encoded List
Description https://leetcode.com/problems/decompress-run-length-encoded-list/ We are given a list nums of integers representing a list compressed with run-length encoding. Consider each adjacent pair of elements [freq,…