Fundamental Algorithms8 sections · 291 units
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Quiz: State-Based Backtracking

Test your understanding

Check Your Understanding

In Generate Parentheses, why can you add ')' only when close count < open count?

  1. A.')' is lexicographically larger than '('
  2. B.Every ')' must match a previous '(' that isn't yet matched
  3. C.It reduces the number of recursive calls
  4. D.It ensures the string has even length
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