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🔥Generate Parentheses: Backtracking TreeMedium
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Generate Parentheses: Backtracking Tree

Targeted in FAANG & Tech OA:GoogleAmazonMicrosoftSwiggyUber
Real-World Engineering Context
AST parser generation, mathematical formula validation, and compiler grammar tree construction.
Given `n` pairs of parentheses, write a function to generate all combinations of well-formed parentheses.

Sample Test Cases

Input: [3]
Expected: ["((()))","(()())","(())()","()(())","()()()"]
Input: [1]
Expected: ["()"]

Constraints

  • 1 <= n <= 8
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