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：
2014-07-06 19:31:04
阅读次数：
181
Givennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such that the two endpoints of ...
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其他好文 时间：
2014-07-06 17:44:30
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181
Divide two integers without using multiplication, division and mod operator.思路：不能使用乘法除法以及取模运算来计算两个数相除。主要做法就是，将因子不断乘2（向左移位即可实现），同时结果从1不断移位加倍，等到除数大于被除数一...
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其他好文 时间：
2014-07-06 15:34:24
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197
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：
2014-07-06 13:57:54
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155
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：
2014-07-06 13:32:49
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204
Divide two integers without using multiplication, division and mod operator.不用乘、除、求余操作，返回两整数相除的结果，结果也是整数。假设除数是2，相除的商就是被除数二进制表示向右移动一位。假设被除数是a，除数是b，因为不知...
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其他好文 时间：
2014-07-05 20:37:18
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193
The gray code is a binary numeral system where two successive values differ in only one bit.
Given a non-negative integer n representing the total number of bits in the code, print the sequence of...
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其他好文 时间：
2014-07-04 07:35:58
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215
What is the Median?
The Problem
Median plays an important role in the world of statistics. By definition, it is a value which divides an array into two equal parts. In this problem you are ...
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其他好文 时间：
2014-07-03 17:43:53
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250
[LeetCode]Merge Two Sorted Lists...
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其他好文 时间：
2014-07-03 16:37:12
阅读次数：
181
