题目：Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order.For example,Given the following matrix:[[ ....
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编程语言 时间：
2014-08-03 05:24:09
阅读次数：
276
题目： Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order.For example,Given n = 3,You should return the foll....
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编程语言 时间：
2014-08-03 05:21:18
阅读次数：
272
Watson gives an array A1,A2...AN to Sherlock. Then he asks him to find if there exists an element in the array, such that, the sum of elements on its ...
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其他好文 时间：
2014-08-02 12:36:13
阅读次数：
185
QuickSortIn the previous challenge, you wrote a partition method to split an array into 2 sub-arrays, one containing smaller elements and one containi...
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其他好文 时间：
2014-08-02 12:12:53
阅读次数：
512
Given a set of distinct integers, S, return all possible subsets.
Note:
Elements in a subset must be in non-descending order.The solution set must not contain duplicate subsets.
For exa...
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其他好文 时间：
2014-08-01 23:18:42
阅读次数：
246
题目：Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.题解：之前做过一道是从sorted array转换到BinarySearc....
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编程语言 时间：
2014-08-01 04:54:21
阅读次数：
310
Convert Sorted Array to Binary Search TreeGiven an array where elements are sorted in ascending order, convert it to a height balanced BST.算法：根据有序数组，生...
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其他好文 时间：
2014-07-31 23:20:00
阅读次数：
270
Recover Binary Search TreeTwo elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.Note:A sol...
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其他好文 时间：
2014-07-31 23:13:00
阅读次数：
223
题目：Given a collection of integers that might contain duplicates, S, return all possible subsets.Note:Elements in a subset must be in non-descending o....
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编程语言 时间：
2014-07-31 09:38:05
阅读次数：
341
