摘要: Given an array of integers and an integer k, you need to find the number of unique k-diff pairs in the array. Here a k-diff pair is defined as an inte 阅读全文
posted @ 2017-10-15 09:44 daniel456 阅读(165) 评论(0) 推荐(0)
摘要: Given a binary array, find the maximum number of consecutive 1s in this array. Example 1: Note: The input array will only contain 0 and 1. The length 阅读全文
posted @ 2017-10-15 09:35 daniel456 阅读(138) 评论(0) 推荐(0)
摘要: Given an array of integers where 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all the elements of [1, n] 阅读全文
posted @ 2017-10-15 09:03 daniel456 阅读(154) 评论(0) 推荐(0)
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(139) 评论(0) 推荐(0)
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(163) 评论(0) 推荐(0)
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(143) 评论(0) 推荐(0)
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(160) 评论(0) 推荐(0)
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(115) 评论(0) 推荐(0)
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(99) 评论(0) 推荐(0)
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(108) 评论(0) 推荐(0)