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题目： Given two strings S and T, determine if they are both one edit distance apart. 链接： http://leetcode.com/problems/one-edit-distance/ 6/14/2017 2ms, 阅读全文
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题目： Given a binary tree where all the right nodes are either leaf nodes with a sibling (a left node that shares the same parent node) or empty, flip i 阅读全文
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题目： Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2). Find the minimum elem 阅读全文
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题目： Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2, 阅读全文