1. 题目 You are given a string, s, and a list of words, words, that are all of the same length. Find all startin…

题目： You are climbing a stair case. It takes n steps to reach to the top. Each time you can either cl…

题目描述 Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. Note: You ma…

题目描述 Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers f…

题目描述 Given a set of distinct integers, nums, return all possible subsets. Note: Elements in a subset must be i…

Remove Duplicates from Sorted Array I Given a sorted array, remove the duplicates in place such that each elem…

1. 题目 Given a 2D binary matrix filled with 0’s and 1’s, find the largest rectangle containing only…

  Implement next permutation, which rearranges numbers into the lexicographically next greater permutatio…

  The Employee table holds all employees. Every employee has an Id, a salary, and there is also a column …

  Given a list of unique words. Find all pairs of distinct indices (i, j) in the give…

  You have a total of n coins that you want to form in a staircase shape, where every k-th row must have …

  Given a binary tree, you need to compute the length of the diameter of the tree. The diameter of a bina…