Solution: Find First and Last Position of Element in Sorted Array
Explore how to efficiently locate the first and last occurrences of a target in a sorted array by applying modified binary search. Understand the step-by-step process to maintain O(log n) time complexity while handling boundary conditions for accurate indexing.
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Statement
You are given an integer array, nums, that is sorted in non-decreasing order. Your task is to find the first and last indexes of a given value, target, within this array.
If the target does not appear in the array at all, return [-1, -1].
Note: You must write an algorithm with
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