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leetcode 33. Search in Rotated Sorted Array
Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2]). Y ...
分类:其他好文   时间:2019-02-20 21:23:04    阅读次数:184
Search in Rotated Sorted Array - LeetCode
[toc] 题目链接 "Search in Rotated Sorted Array LeetCode" 注意点 题目给的序列是一个有序数组按某个轴旋转后的数组 要求时间复杂度为O(logn) 解法 解法一:根据题目的时间复杂度O(logn)要求,很容易想到要用二分搜索。但是二分搜索要求数组是有序的 ...
分类:其他好文   时间:2019-02-16 15:19:51    阅读次数:143
[Leetcode]81. Search in Rotated Sorted Array II
"81. Search in Rotated Sorted Array II" 本题难度: Medium Topic: Binary Search 类似 "[Lintcode]62. Search in Rotated Sorted Array/[Leetcode]33. Search in Rot ...
分类:其他好文   时间:2019-02-10 09:35:44    阅读次数:188
[Lintcode]62. Search in Rotated Sorted Array/[Leetcode]33. Search in Rotated Sorted Array
"[Lintcode]62. Search in Rotated Sorted Array" / "[Leetcode]33. Search in Rotated Sorted Array" 本题难度: Medium/Medium Topic: Binary Search Description 6 ...
分类:其他好文   时间:2019-02-10 09:31:29    阅读次数:156
LeetCode-153-Find Minimum in Rotated Sorted Array
算法描述: Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1, ...
分类:其他好文   时间:2019-02-07 10:52:51    阅读次数:152
Leetcode 35. Search in rotated sorted array
今天做了Leetcode第35题,总结一下这个题以及非常重要的一个考点:二分法 二分法: 二分法的核心思想是每次把范围缩小一半,时间复杂度为O(logn)。当brute force求解之后的时间复杂度是O(n),但是面试官还要求优化的时候就要考虑二分法了,因为比O(n)还要好的就是O(logn)了, ...
分类:其他好文   时间:2019-02-03 11:08:58    阅读次数:174
19.2.2 [LeetCode 33] Search in Rotated Sorted Array
Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2]). Y ...
分类:其他好文   时间:2019-02-02 23:28:15    阅读次数:198
LeetCode-81-Search in Rotated Sorted Array II
算法描述: Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,0,1,2,2,5,6] might become [2,5,6,0,0,1, ...
分类:其他好文   时间:2019-02-01 13:03:01    阅读次数:148
LeetCode-33-Search in Rotated Sorted Array
算法描述: Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1, ...
分类:其他好文   时间:2019-01-28 22:22:17    阅读次数:164
LeetCode 33 Search in Rotated Sorted Array [binary search] <c++>
LeetCode 33 Search in Rotated Sorted Array [binary search] 给出排序好的一维无重复元素的数组,随机取一个位置断开,把前半部分接到后半部分后面,得到一个新数组,在新数组中查找给定数的下标,如果没有,返回 1。时间复杂度限制$O(log_2n)$ ...
分类:编程语言   时间:2019-01-23 13:57:36    阅读次数:173
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