Completed Backtracking-1

[manideeppmdmd]

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[super30admin]

• Strengths:

  • The student has provided two different approaches to solve the problem, showing a good understanding of the problem.
  • The comments are helpful in understanding the thought process.
  • The code is well-structured and readable.

• Areas for Improvement:

  • The comment about removing duplicates in the first method is incorrect since the problem allows duplicates. This should be clarified or removed.
  • The second method's base case (i == candidates.length && target == 0) is unnecessary and could lead to missing valid combinations. The reference solution handles this more elegantly.
  • Method names could be more descriptive to reflect their purpose.
  • The while loop in the second method to skip duplicates is not needed for this problem since duplicates are allowed.