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Prompt: Given a linked list, remove the nth node from the end of the list. [Read More]

Prompt: Given an integer array nums, return an array answer such that answer[i] is equal to the product of all the elements of nums except nums[i]. [Read More]

Prompt: Given the root of a binary search tree, and an integer k, return the kth (1-indexed) smallest element in the tree. [Read More]

Prompt: You are a bookstore owner and you are given two arrays, customer and grumpy. Each value in the customer array represents the number of customers that are coming into your store within the ith minute where i is the index of the customer array. Don’t worry about how long... [Read More]

Prompt: Given two strings s1 and s2, return true if s2 contains the permutation of s1. In other words, one of s1’s permutations is the substring of s2. [Read More]