Backtracking-1 Completed

[Mike9330]

No description provided.

[super30admin]

Strengths:

• The student has a good understanding of backtracking and recursion.
• The code is clean, well-commented, and easy to follow.
• The time and space complexity analyses are accurate.

Areas for Improvement:

• In combinationSum, the student could consider using a single path list and backtracking by removing the last element after recursion, instead of creating new lists each time. This would reduce space usage.
• For addOperators, the student could add more comments explaining the logic, especially the handling of calc and tail, to make it easier for others to understand.