mediumArraysPattern: Modified Binary Search
Find Ascending Order Disruption Point Solution
Problem Statement
You are given an array of integers `values` that initially follows a non-decreasing order, but then gets disrupted at an unknown point, resulting in a mixed sequence. Implement an efficient algorithm to identify the minimum value in the disrupted sequence.
Examples
Example 1:
Input:[10, 7, 5, 8, 11, 9]
Output:5
Explanation: The lowest stock price in the list is 5
Example 2:
Input:[5, 6, 7, 3, 4, 8]
Output:3
Explanation: The lowest stock price in the list is 3
Constraints
- 1 <= array length <= 1000
- All elements are distinct positive integers.
Time: O(log n) Space: O(1)
The optimized approach uses a modified binary search algorithm to find the minimum element in the rotated sorted array, resulting in a time complexity of O(log n). This is achieved by comparing the middle element with the rightmost element and adjusting the search space accordingly.
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