文章 2015-11-26 来自:开发者社区

LeetCode 33 Search in Rotated Sorted Array(在旋转排序数组中搜索)(*)

翻译 假定一个数组在一个我们预先不知道的轴点旋转。 例如,0 1 2 4 5 6 7可能会变为4 5 6 7 0 1 2。 给你一个目标值去搜索,如果找到了则返回它的索引,否则返回-1。 你可以假定没有重复的元素存在于数组中。 原文 Suppose a sorted array is rotated at some pivot unknown to you before...

文章 2015-07-19 来自:开发者社区

[LeetCode] Find Minimum in Rotated Sorted Array II

This problem is more or less the same as Find Minimum in Rotated Sorted Array. And one key difference is as stated in the solution tag. That is, due to duplicates, we may not be able to throw one...

文章 2015-07-19 来自:开发者社区

[LeetCode] Find Minimum in Rotated Sorted Array

As explained in the Solution tag, the key to solving this problem is to use invariants. We set two pointers: l for the left and r for the right. One key invariant is nums[l] &...

文章 2015-07-19 来自:开发者社区

[LeetCode] Search in Rotated Sorted Array II

For those who have already solved Search in Rotated Sorted Array, this problem can be solved similarly using codes for that problem and simply adding codes to skip the duplicates. For Search...

文章 2015-07-18 来自:开发者社区

[LeetCode] Search in Rotated Sorted Array

This problem is a nice application of binary search. The key lies in how to determine the correct half for target. Since the array has been rotated, we now need to make some additional checks. Yo...

文章 2015-02-08 来自:开发者社区

[LeetCode] Find Minimum in Rotated Sorted Array II

Follow up for “Find Minimum in Rotated Sorted Array”: What if duplicates are allowed? Would this affect the run-time complexity? How and why? Suppose a sorted array is rotated at some pivot unknow...

文章 2015-02-08 来自:开发者社区

[LeetCode] Find Minimum in Rotated Sorted Array

Suppose a sorted array 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). Find the minimum element. You may assume no duplicate exists in the arr...

文章 2015-01-31 来自:开发者社区

[LeetCode]154.Find Minimum in Rotated Sorted Array II

【题目】 Follow up for "Find Minimum in Rotated Sorted Array": What if duplicates are allowed? Would this affect the run-time complexity? How and why? Suppose a sorted array is rotated at s...

文章 2015-01-31 来自:开发者社区

[LeetCode]153.Find Minimum in Rotated Sorted Array

【题目】 Suppose a sorted array 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). Find the minimum element. You may assume no duplicate e...

文章 2014-11-22 来自:开发者社区

Search in Rotated Sorted Array II

Follow up for "Search in Rotated Sorted Array":What if duplicates are allowed? Would this affect the run-time complexity? How and why? Write a function to determine if a given target is in t...

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