zip is a built-in function that takes two or more sequence and ‘zips’ them into a list of tuples, where each tuple contains one element from each sequ...
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其他好文 时间：
2014-07-22 22:53:14
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269
Intersection大意：给你一条线段，给你一个矩形，问是否相交。 相交：线段全然在矩形内部算相交；线段与矩形随意一条边不规范相交算相交。思路：知道详细的相交规则之后题事实上是不难的，可是还有个坑点就是题目里明明说给的是矩形左上角跟右下角的点，但实际上不是，须要又一次推断一下...真坑。s...
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其他好文 时间：
2014-07-22 22:52:59
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157
Swap Nodes in PairsGiven a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list as2-...
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2014-07-19 22:25:10
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210
It is often useful to swap the values of two variables. With conventional assignments, you have to use a temporary variable. This solution is cumberso...
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其他好文 时间：
2014-07-19 18:32:06
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243
1877. Bicycle CodesTime limit: 0.5 secondMemory limit: 64 MBDen has two four-digit combination locks for protecting his bicycle from thieves. Every ev...
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2014-07-19 15:02:20
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313
There are two identical boxes. One of them contains n balls, while the other box contains one ball. Alice and Bob invented a game with the boxes and b...
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其他好文 时间：
2014-07-19 14:25:51
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228
Binary String Matching
时间限制：3000 ms | 内存限制：65535 KB
难度：3
描述
Given two strings A and B, whose alphabet consist only ‘0’ and ‘1’. Your task is only to tell how many times does A appear as...
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其他好文 时间：
2014-07-19 13:26:19
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274
Your little brother has just learnt to write one, two and three, in English. He has written a lot of those words in a paper, your task is to recognize...
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其他好文 时间：
2014-07-19 11:30:29
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225
Your little brother has just learnt to write one, two and three, in English. He has written a lot of those words in a paper, your task is to recognize...
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其他好文 时间：
2014-07-19 09:31:41
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238
Marbles
Input: standard input
Output: standard output
I have some (say, n) marbles (small glass balls) and I am going to buy some boxes to store them. The boxes are of two types:
Type 1: each ...
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其他好文 时间：
2014-07-19 08:01:10
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264
