#面试刷题

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2016-01-14

Set Bits

出处 Insertion

2016-01-14

给出 3n + 1 个的数字，除其中一个数字之外其他每个数字均出现三次，找到这个数字。

2016-01-14

给出2n + 2个的数字，除其中两个数字之外其他每个数字均出现两次，找到这两个数字。

2016-01-14

Given an array of integers, every element appears twice except for one.

2016-01-14

Explain what the following code does: ( n & (n-1) ) == 0

2016-01-14

出处 Pairwise Swap

2016-01-14

Given a binary tree, return all root-to-leaf paths.

2016-01-14

Given a binary tree, determine if it is height-balanced.

2016-01-14

Implement an iterator over a binary search tree (BST).

2016-01-14

Compute the depth of a binary tree.