Rotated Sorted Array

有序数组旋转相关问题。

153. 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 array.

Solution

class Solution(object):def findMin(self, nums):""":type nums: List[int]:rtype: int"""low = 0high = len(nums) - 1while low < high:mid = (low + high)/2if nums[mid] < nums[high]:high = midelif nums[mid] > nums[high]:low = mid + 1return nums[low]

154. Find Minimum in Rotated Sorted Array II

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.

The array may contain duplicates.

Solution

class Solution(object):def findMin(self, nums):""":type nums: List[int]:rtype: int"""low = 0high = len(nums) - 1while low < high:mid = low + (high - low)/2if nums[mid] > nums[high]:low = mid + 1elif nums[mid] < nums[high]:high = midelse:high -= 1 return nums[low]

转载于:https://www.cnblogs.com/binwone/p/6125086.html

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Rotated Sorted Array

153. Find Minimum in Rotated Sorted Array

Solution

154. Find Minimum in Rotated Sorted Array II

Solution

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