Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, givenn= 3, a solution set is: "((()))", "(()())", "(())()", "()(())", "()()()" 思路: dfs搜索所有的可能解。两个变量left和right分别表示左括号和右括号的个数...
Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, givenn= 3, a solution set is: "((()))", "(()())", "(())()", "()(())", "()()()" Solution: 1publicclassSolution {2publicList<String> generateParenthesis(intn)...
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Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, givenn= 3, a solution set is: "((()))", "(()())", "(())()", "()(())", "()()()" DFS 参考:http://blog.csdn.net/yangliuy/article/details/41170599 View Code...
Leetcode 22. Generate Parentheses https://leetcode.com/problems/generate-parentheses/ Medium Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, givenn= 3, a solution set is:
[LeetCode 题解]: Generate Parentheses Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, givenn= 3, a solution set is: "((()))", "(()())", "(())()", "()(())", "()()()"...
Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, givenn= 3, a solution set is: [ "((()))", "(()())", "(())()", "()(())", "()()()" ] 解题思路:
res =set()foriinitertools.permutations(s,2*n): temp =''.join(i)ifjudge(temp): res.add(temp)returnlist(res) 生成所有全排列,逐个判断是否合理。然后在n=5的时候就炸了。 Solution2: classSolution:defgenerateParenthesis(self, n):"""