frankming

摘要： 题目 You are given an integer array height of length n. There are n vertical lines drawn such that the two endpoints of the ith line are (i, 0) and (i, 阅读全文

摘要： 题目 You are given two lists of closed intervals, firstList and secondList, where firstList[i] = [starti, endi] and secondList[j] = [startj, endj]. Each 阅读全文

摘要： 题目 Given two strings s and t, return true if they are equal when both are typed into empty text editors. '#' means a backspace character. Note that af 阅读全文

摘要： 题目 Given an integer array nums, return all the triplets [nums[i], nums[j], nums[k]] such that i != j, i != k, and j != k, and nums[i] + nums[j] + nums 阅读全文

摘要： 题目 Given the head of a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. Return 阅读全文

摘要： 题目 A peak element is an element that is strictly greater than its neighbors. Given an integer array nums, find a peak element, and return its index. I 阅读全文

摘要： 题目 Suppose an array of length n sorted in ascending order is rotated between 1 and n times. For example, the array nums = [0,1,2,4,5,6,7] might become 阅读全文

摘要： 题目 Write an efficient algorithm that searches for a value target in an m x n integer matrix matrix. This matrix has the following properties: Integers 阅读全文

摘要： 题目 There is an integer array nums sorted in ascending order (with distinct values). Prior to being passed to your function, nums is possibly rotated a 阅读全文

摘要： 题目 Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target value. If target is not fou 阅读全文