该分手的八大征兆Relationships are important – to each other, to our families, to our friends, to the people we care about. There comes a point in romantic rel...
分类：
其他好文 时间：
2014-06-26 23:29:21
阅读次数：
355
问题描述：Time Limit: 10000msCase Time Limit: 1000msMemory Limit: 256MBDescriptionConsider a string set that each of them consists of {0, 1} only. All stri...
分类：
其他好文 时间：
2014-06-25 21:54:20
阅读次数：
258
Objective-C is a class-based object system. Each object is an instance of some class; the object'sisapointer points to its class. That class describ.....
分类：
其他好文 时间：
2014-06-25 11:48:57
阅读次数：
162
Given two wordsword1andword2, find the minimum number of steps required to convertword1toword2. (each operation is counted as 1 step.)You have the fol...
分类：
其他好文 时间：
2014-06-25 11:14:15
阅读次数：
218
【题目】
Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number.
An example is the root-to-leaf path 1->2->3 which represents the number 123.
Find the total sum of all root-to-leaf numbers.
For example,
1
...
分类：
其他好文 时间：
2014-06-25 07:32:27
阅读次数：
209
【问题】
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /.
Each operand may be an integer or another expression.
Some examples:
...
分类：
编程语言 时间：
2014-06-24 23:22:53
阅读次数：
331
题目
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return...
分类：
其他好文 时间：
2014-06-24 21:46:24
阅读次数：
249
Copy List with Random Pointer Total Accepted: 12730 Total Submissions: 56262
My Submissions
A linked list is given such that each node contains an additional random pointer which could poi...
分类：
其他好文 时间：
2014-06-24 19:32:26
阅读次数：
194
Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given the fol...
分类：
其他好文 时间：
2014-06-24 18:56:54
阅读次数：
240
题目
Given n non-negative integers a1, a2,
..., an, where each represents a point at coordinate (i, ai). n vertical
lines are drawn such that the two endpoints of line i is at (i, ai) and (...
分类：
其他好文 时间：
2014-06-24 16:00:49
阅读次数：
220
