摘要: Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexi 阅读全文
posted @ 2017-10-15 08:58 daniel456 阅读(127) 评论(0) 推荐(0) 编辑
摘要: Given an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-zero elements. For example, giv 阅读全文
posted @ 2017-10-15 08:50 daniel456 阅读(155) 评论(0) 推荐(0) 编辑
摘要: Given an array containing n distinct numbers taken from 0, 1, 2, ..., n, find the one that is missing from the array. For example,Given nums = [0, 1, 阅读全文
posted @ 2017-10-15 08:41 daniel456 阅读(130) 评论(0) 推荐(0) 编辑
摘要: Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that nums[i] = nums[j] and the  阅读全文
posted @ 2017-10-14 21:47 daniel456 阅读(154) 评论(0) 推荐(0) 编辑
摘要: Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr 阅读全文
posted @ 2017-10-14 21:36 daniel456 阅读(104) 评论(0) 推荐(0) 编辑
摘要: Rotate an array of n elements to the right by k steps. For example, with n = 7 and k = 3, the array [1,2,3,4,5,6,7] is rotated to [5,6,7,1,2,3,4]. Not 阅读全文
posted @ 2017-10-14 21:34 daniel456 阅读(94) 评论(0) 推荐(0) 编辑
摘要: Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times. You may assume that the 阅读全文
posted @ 2017-10-14 21:24 daniel456 阅读(103) 评论(0) 推荐(0) 编辑
摘要: Given an array of integers that is already sorted in ascending order, find two numbers such that they add up to a specific target number. The function 阅读全文
posted @ 2017-10-14 21:22 daniel456 阅读(126) 评论(0) 推荐(0) 编辑
摘要: Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may comple 阅读全文
posted @ 2017-10-14 21:16 daniel456 阅读(127) 评论(0) 推荐(0) 编辑
摘要: Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one transaction 阅读全文
posted @ 2017-10-14 21:13 daniel456 阅读(130) 评论(0) 推荐(0) 编辑