DescriptionAlice和Bob现在要乘飞机旅行，他们选择了一家相对便宜的航空公司。该航空公司一共在n个城市设有业务，设这些城市分别标记为0到n-1，一共有m种航线，每种航线连接两个城市，并且航线有一定的价格。Alice和Bob现在要从一个城市沿着航线到达另一个城市，途中可以进行转机。航空公...
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其他好文 时间：
2015-08-17 06:19:48
阅读次数：
156
启动hadoop，启动Spark。 造一份简单的测试数据customers.txt，为了方便，我把它放在了spark/bin目录：100, John Smith, Austin, TX, 78727200, Joe Johnson, Dallas, TX, 75201300, Bob Jone...
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数据库 时间：
2015-08-16 21:02:05
阅读次数：
312
1977 年 拉里·艾利森 (Larry Ellison)、Bob Miner 和 Ed Oates 共同创建了软件开发实验室 (Software Development Laboratories)。1970 年 IBM 的一名研究人员写了一篇名为《大型共享数据库的关系数据模型》的研究论文，他们三人...
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数据库 时间：
2015-08-15 22:59:52
阅读次数：
230
Alice and Bob
Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 3511 Accepted Submission(s): 1129
Problem Description
Alice and B...
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其他好文 时间：
2015-08-13 06:33:29
阅读次数：
304
Alice and Bob love playing one-dimensional battle ships. They play on the field in the form of a line consisting of n square cells
(that is, on a 1?×?n table).
At the beginning of the game Alice ...
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其他好文 时间：
2015-08-10 20:05:45
阅读次数：
148
Little Bob is playing a game. He wants to win some candies in it - as many as possible.
There are 4 piles, each pile contains N candies. Bob is given a basket which can hold at most 5
candies. Each ...
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其他好文 时间：
2015-08-10 20:02:48
阅读次数：
141
Description
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exi...
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其他好文 时间：
2015-08-09 20:49:19
阅读次数：
262
ZOJ 3885 The Exchange of ItemsDescription
Bob lives in an ancient village, where transactions are done by one item exchange with another. Bob is very clever and he knows what items will become more va...
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其他好文 时间：
2015-08-09 20:43:25
阅读次数：
141
DescriptionOnce Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negat...
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其他好文 时间：
2015-08-09 20:39:17
阅读次数：
171
DescriptionOnce Bob took a paper stripe ofnsquares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negativ...
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其他好文 时间：
2015-08-09 20:23:56
阅读次数：
207
