[LeetCode] Unique Binary Search Trees II
Given n, generate all structurally unique BST's (binary search trees) that store values 1...n. For example,Given n = 3, your program should return ...
原文：[leetcode]Unique Binary Search Trees II @ Python
原题地址：https: oj.leetcode.com problems unique binary search trees ii 题意：接上一题，这题要求返回的是所有符合条件的二叉查找树，而上一题要求的是符合条件的二叉查找树的棵数，我们上一题提过，求个数一般思路是动态规划，而枚举的话，我们就考虑dfs了。dfs start, end 函数返回以start，start ，...，end为根的二叉 ...
2014-05-26 09:39 1 3773 推荐指数：
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