class Solution(object): def generateParenthesis(self, n): def backtrack(left, right, combination): if left == 0 and right == 0: result.append(combination) return if left > right: return if left > 0: backtrack(left - 1, right, combination + "(") if right > 0: backtrack(left, right - 1, combination + ")") result = [] backtrack(n, n, "") return result Give the time and space complexity of this algorithm in Big O notation
class Solution(object): def generateParenthesis(self, n): def backtrack(left, right, combination): if left == 0 and right == 0: result.append(combination) return if left > right: return if left > 0: backtrack(left - 1, right, combination + "(") if right > 0: backtrack(left, right - 1, combination + ")") result = [] backtrack(n, n, "") return result Give the time and space complexity of this algorithm in Big O notation
Related questions
Question
class Solution(object):
def generateParenthesis(self, n):
def backtrack(left, right, combination):
if left == 0 and right == 0:
result.append(combination)
return
if left > right:
return
if left > 0:
backtrack(left - 1, right, combination + "(")
if right > 0:
backtrack(left, right - 1, combination + ")")
result = []
backtrack(n, n, "")
return result
Give the time and space complexity of this algorithm in Big O notation
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