[Solved] Identify the bug in the following code snippet for bitwise AND of numbers range: - Ans: The loop condition should be 'right > left' instead of 'right != left'. | Bit Manipulation

Bit Manipulation - Bitwise AND of Numbers Range

Identify the bug in the following code snippet for bitwise AND of numbers range:

AThe bit-clearing operation 'right = right & (right - 1)' is incorrect.

BThere is no bug; the code works correctly.

CThe function should return 'left' instead of 'right'.

DThe loop condition should be 'right > left' instead of 'right != left'.

Step-by-Step Solution

Solution:

Step 1: Analyze loop condition
The loop runs while right != left, which fails if right < left, causing infinite loop or incorrect behavior.
Step 2: Correct condition
Changing condition to 'right > left' ensures loop terminates when right reaches or goes below left.
Final Answer:
Option D -> Option D
Quick Check:
Loop condition must prevent infinite loops and handle equality correctly [OK]

Quick Trick: Loop condition must be 'right > left' to terminate properly [OK]

Common Mistakes:

MISTAKES

Trap Explanation:

PITFALL

Interviewer Note:

CONTEXT

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