题目来源:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=608分析:两个圆放到矩形的临界点图为:其中a为长,
b为宽, r1 > r2红色三角形的三边长分别为:x = a - (r1 +r2)y = b - (r1 + r2)z...
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其他好文 时间:
2014-05-08 14:17:58
阅读次数:
377
Subsets IGiven a set of distinct integers, S,
return all possible subsets.Note:Elements in a subset must be in non-descending
order.The solution set m...
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其他好文 时间:
2014-05-07 11:13:33
阅读次数:
299
1.切换工作目录git checkout step-4 #切换分支,切换到第4步npm
start #启动项目2.代码app/index.htmlSearch: Sort by: {{phone.name}} {{phone.snippet}}
app/controllers....
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Web程序 时间:
2014-05-07 11:05:47
阅读次数:
527
Sum It UpTime Limit:1000MSMemory Limit:10000KTotal
Submissions:5684Accepted:2894DescriptionGiven a specified total t and a list of
n integers, find al...
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其他好文 时间:
2014-05-07 10:45:02
阅读次数:
388
题目链接:
http://poj.org/problem?id=2773
Happy 2006
Time Limit: 3000MS
Memory Limit: 65536K
Total Submissions: 9131
Accepted: 3073
Description
Two positiv...
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移动开发 时间:
2014-05-07 02:37:49
阅读次数:
435
Problem DescriptionThe expression N!, read as
"N factorial," denotes the product of the first N positive integers, where N is
nonnegative. So, for exa...
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其他好文 时间:
2014-05-07 00:11:55
阅读次数:
353
Merge Two Sorted ListsMerge two sorted linked
lists and return it as a new list. The new list should be made by splicing
together the nodes of the fir...
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其他好文 时间:
2014-05-06 23:54:10
阅读次数:
469
Beaming NDEF Messages to Other Devices
Android Beam allows simple peer-to-peer data exchange between two Android-powered devices. The application that wants to beam data to another device must be in ...
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移动开发 时间:
2014-05-06 23:21:48
阅读次数:
620
【题目】
原文:
1.4 Write a method to decide if two strings are anagrams or not.
译文:
写一个函数判断两个字符串是否是变位词。
【分析】
变位词(anagrams)指的是组成两个单词的字符相同,但位置不同的单词。比如说, abbcd和abcdb就是一对变位词。该题目有两种思路:
【思路一】
由于变位词只是字...
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其他好文 时间:
2014-05-06 23:17:56
阅读次数:
383
You are given an N × N grid initially filled by zeros. Let the rows and columns of the grid be numbered from1 to N, inclusive. There are two types of operations can be applied to the grid:
RowAdd R...
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其他好文 时间:
2014-05-06 22:35:44
阅读次数:
451