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Problems Doubts

binary_search.py

def binary_search(arr, target):
    # AI analyzing complexity... O(log n) detected
    left, right = 0, len(arr) - 1
    while left <= right:
        mid = (left + right) // 2
        if arr[mid] == target:
            return mid
        elif arr[mid] < target:
            left = mid + 1
        else:
            right = mid - 1
    return -1

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