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@Sreeja-99
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Refactor binary search implementation for clarity and correctness.
Implement binary search on ArrayReader to find target.
Implemented four different methods to search a target in a 2D matrix, including linear traversal, row-wise search, binary search on the imaginary sorted array, and binary search for row identification followed by binary search in the row.
@super30admin
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  1. Correctness: The first approach in Leetcode_33.java has a minor issue with the loop condition. It should be while(low<=high) to ensure all cases are covered. The second approach is correct and matches the reference solution.
  2. Time Complexity: All solutions have the correct time complexity, matching the reference solution.
  3. Space Complexity: All solutions maintain O(1) space complexity, which is optimal.
  4. Code Quality: The code is well-structured and readable, with clear comments explaining the approach. Providing multiple solutions for the same problem is a good practice.
  5. Efficiency: The solutions are efficient, but the first approach in Leetcode_33.java could be improved by correcting the loop condition.

Strengths:

  • Good understanding of binary search and its variations.
  • Clear and concise code with helpful comments.
  • Multiple approaches provided for some problems, showing depth of understanding.

Areas for Improvement:

  • Ensure all edge cases are covered, especially in loop conditions.
  • Double-check the logic for boundary conditions to avoid missing any cases.

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2 participants