Given two integers L and R . Find the resultant after applying the series of Bitwise AND ( & ) operation on every natural number between the Range L and R (including both).
Example 1:
Input: L = 8, R = 13
Output: 8
Explanation:
8 AND 9 AND 10 AND 11 AND 12 AND 13 = 8.
Example 2:
Input: L = 2, R = 3
Output: 2
Explanation: 2 AND 3 = 2.
Your Task:
You don't need to read or print anything. Your task is to complete the function find_and() which takes l and r as input parameter and returns AND operation on every number between l to r.
Expected Time Complexity: O(log(n)) Expected Time Complexity: O(1)
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Avoid using static/global variables in coding problems as your code is tested
against multiple test cases and these tend to retain their previous values.
Passing the Sample/Custom Test cases in coding problems does not guarantee the
correctness of code. On submission, your code is tested against multiple test cases
consisting of all possible corner cases and stress constraints.
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