Create bfs.java

[Praniksha123]

No description provided.

[super30admin]

Rotting Oranges (bfs.java)

Strengths:

• Correct BFS approach for the problem
• Good optimization of checking fresh == 0 to return early
• Proper handling of edge cases (fresh == 0 returns 0)
• Clean queue-based implementation

Areas for Improvement:

1. Variable Naming: sr and pr are confusing. Use clearer names like newRow and newCol or simply r and c.
2. Code Formatting: Maintain consistent spacing and formatting throughout.
3. Comments: Add comments to explain the BFS levels and logic for better readability.
4. Edge Case: The solution correctly handles when there are no fresh oranges initially, but the logic flow could be clearer.

The solution is functionally correct despite the confusing variable names. The core algorithm is sound and matches the reference solution's approach.

VERDICT: PASS

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Employee Importance

Strengths:

1. Correct BFS implementation that properly accumulates importance values
2. Good use of HashMap for O(1) employee lookup
3. Clean, readable code with meaningful variable names (ans, q, map)
4. Proper handling of the queue operations

Areas for Improvement:

1. Wrong file submitted: The solution contains code for "Oranges Rotting" (LeetCode 994) at the beginning, which is a completely different problem. Only the second part addresses the Employee Importance problem.
2. Missing DFS alternative: While BFS is correct, showing both approaches (BFS and DFS) would demonstrate deeper understanding.
3. Could add early termination: For completeness, you could handle edge cases like empty employee list (though constraints suggest this won't happen).

The Employee Importance solution itself is correct and matches the reference solution's approach and complexity.

VERDICT: PASS