LeetCode-Generate Parentheses
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Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.
For example, given n = 3, a solution set is:
"((()))", "(()())", "(())()", "()(())", "()()()"
Code:
<span style="font-size:14px;">class Solution {public: void generater(int left, int right, vector<string> &results, string str, const int &n) { if (left == n && right == n) { results.push_back(str); return; } if (left < right) return; if (left < n) generater(left+1, right, results, str+"(", n); if (right < n) generater(left, right+1, results, str+")", n); } vector<string> generateParenthesis(int n) { vector<string> results; generater(0, 0, results, "", n); return results; }};</span> 0 0
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