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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 @ 2017-09-25 11:06 __Meng 阅读(107) 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 @ 2017-09-24 10:47 __Meng 阅读(101) 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 @ 2017-09-23 16:27 __Meng 阅读(109) 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 @ 2017-09-23 15:53 __Meng 阅读(135) 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 @ 2017-09-23 15:25 __Meng 阅读(132) 评论(0) 推荐(0) 编辑
摘要: Given an index k, return the kth row of the Pascal's triangle. For example, given k = 3,Return [1,3,3,1]. Note:Could you optimize your algorithm to us 阅读全文
posted @ 2017-09-23 14:58 __Meng 阅读(142) 评论(0) 推荐(0) 编辑
摘要: Given numRows, generate the first numRows of Pascal's triangle. For example, given numRows = 5,Return java(1ms): 阅读全文
posted @ 2017-09-21 16:11 __Meng 阅读(156) 评论(0) 推荐(0) 编辑
摘要: Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. Note:You may assume that nums1 has enough space (size tha 阅读全文
posted @ 2017-09-21 09:08 __Meng 阅读(140) 评论(0) 推荐(0) 编辑
摘要: Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array [-2,1,-3,4,-1,2, 阅读全文
posted @ 2017-09-20 14:58 __Meng 阅读(163) 评论(0) 推荐(0) 编辑
摘要: Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in or 阅读全文
posted @ 2017-09-19 09:23 __Meng 阅读(133) 评论(0) 推荐(0) 编辑
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