Say you have an array for which the ith element is the price of a given stock on day i. Design an algor…

  We are given non-negative integers nums[i] which are written on a chalkboard.  Alice and Bob take …

题目： Divide two integers without using multiplication, division and mod operator. 思路： 1）考虑边界问题。 2）考虑INT_MIN与INT…

题目描述 Given an array of n positive integers and a positive integer s, find the minimal length of a subarray of …

题目描述 Given an array of size n, find the majority element. The majority element is the element that appears mor…

One Edit Distance Given two strings S and T, determine if they are both one edit distance apart. 比较长度法 复杂度 时间 …

  Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. According to…

  Given a stream of integers and a window size, calculate the moving average of all integers in the slidi…

题目： Given an absolute path for a file (Unix-style), simplify it. For example,path = "/home/", =>&…

1. 题目 Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (e…

1. 题目 Given n non-negative integers a1, a2, …, an, where each represents a point at coordinate (i, ai). …

9. Palindrome Number 题目 Determine whether an integer is a palindrome. Do this without extra space. click to sh…