Given two wordsword1andword2, find the minimum
number of steps required to convertword1toword2. (each operation is counted as 1
step.)You have the fol...
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其他好文 时间：
2014-06-04 20:12:15
阅读次数：
199
Given a strings1, we may represent it as a
binary tree by partitioning it to two non-empty substrings recursively.Below is
one possible representation...
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其他好文 时间：
2014-06-04 20:11:38
阅读次数：
303
Given two integersnandk, return all possible
combinations ofknumbers out of 1 ...n.For example,Ifn= 4 andk= 2, a solution
is:[ [2,4], [3,4], [2,3], [1...
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其他好文 时间：
2014-06-04 20:02:13
阅读次数：
228
Then-queens puzzle is the problem of
placingnqueens on ann×nchessboard such that no two queens attack each
other.Given an integern, return all distinc...
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其他好文 时间：
2014-06-04 20:00:47
阅读次数：
206
Merge two sorted linked lists and return it as
a new list. The new list should be made by splicing together the nodes of the
first two lists./***Defin...
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其他好文 时间：
2014-06-04 19:23:45
阅读次数：
243
Given two binary strings, return their sum
(also a binary string).For example,a ="11"b
="1"Return"100".classSolution{public:stringaddBinary(stringa,st...
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其他好文 时间：
2014-06-04 19:23:09
阅读次数：
235
The gray code is a binary numeral system where
two successive values differ in only one bit.Given a non-negative
integernrepresenting the total number...
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其他好文 时间：
2014-06-04 18:58:39
阅读次数：
277
原题地址：https://oj.leetcode.com/problems/median-of-two-sorted-arrays/题意：There
are two sorted arrays A and B of size m and n respectively. Find the median...
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编程语言 时间：
2014-06-04 18:52:31
阅读次数：
356
Given two binary trees, write a function to
check if they are equal or not.Two binary trees are considered equal if they are
structurally identical an...
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其他好文 时间：
2014-06-04 18:37:18
阅读次数：
277
Given two sorted integer arrays A and B, merge
B into A as one sorted array.Note:You may assume that A has enough space (size
that is greater or equal...
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其他好文 时间：
2014-06-04 18:18:08
阅读次数：
259
