Rotting Oranges and Employee Importance

[anirudhv98]

Completed BFS-2.1, please review.

[super30admin]

Oranges getting rotten (Problem1.cs)

Strengths:

1. Clean and well-documented code with clear comments explaining the approach
2. Correct BFS implementation with proper level-by-level processing
3. Handles edge cases properly (no fresh oranges returns 0)
4. Good variable naming and code organization
5. Proper early return when all oranges become rotten

Areas for Improvement:

1. The while loop condition while(q.Count != 0 && freshCount > 0) is slightly redundant - the freshCount > 0 check is not necessary since the function returns minutes when freshCount reaches 0 inside the loop
2. Consider using a Tuple or a struct instead of int[] for positions to avoid array allocation overhead (minor optimization)

Overall, this is a solid solution that correctly solves the problem with good code quality.

VERDICT: PASS

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Importance of Employee (Problem2.cs)

Strengths:

• Clean and readable implementation with good variable naming
• Well-documented with time/space complexity analysis
• Proper use of C# features (generic Queue, dictionary initializer)
• Correct BFS implementation that handles all cases

Areas for Improvement:

• Consider adding null checks or using TryGetValue for the dictionary lookup to handle edge cases more defensively
• Could potentially use a stack instead of queue for DFS (iterative) if memory locality is a concern, though BFS is equally valid

The solution is functionally equivalent to the reference solution and demonstrates solid understanding of the problem. No significant issues identified.

VERDICT: PASS