摘要:        
原题链接在这里:https://leetcode.com/problems/two-sum-iv-input-is-a-bst/description/ 题目: Given a Binary Search Tree and a target number, return true if there     阅读全文
        
            posted @ 2017-09-12 08:53
Dylan_Java_NYC
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摘要:        
原题链接在这里:https://leetcode.com/problems/average-of-levels-in-binary-tree/discuss/ 题目: Given a non-empty binary tree, return the average value of the nod    阅读全文
        
            posted @ 2017-09-12 01:59
Dylan_Java_NYC
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