DP 1 Sabyasachi Bisoyi

[sabyasachibisoyi]

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[super30admin]

Strengths:

• The student has demonstrated a strong understanding of dynamic programming by providing multiple approaches (recursive, memoization, tabulation, and space-optimized tabulation) for each problem.
• The code is well-commented and easy to follow, with clear explanations of the approach and time/space complexity.
• The student has correctly identified the time and space complexities for each approach.

Areas for Improvement:

• The initial recursive solutions are not efficient for large inputs, but the student has already noted this and provided optimized versions. It would be good to emphasize the importance of starting with the most efficient approach when possible.
• In the CoinChange problem, the student uses Integer.MAX_VALUE - 2 to represent infinity. While this works, it would be better to use a constant or a more descriptive name to make the code more readable and maintainable.