Problem DescriptionA number of students sit in a
circle facing their teacher in the center. Each student initially has an even
number of pieces of can...
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其他好文 时间：
2014-05-07 17:53:27
阅读次数：
499
John is going on a fishing trip. He has h hours available (1 <= h <= 16), and there are n lakes in the area (2 <= n <= 25) all reachable along a single, one-way road. John starts at lake 1, but he can finish at any lake he wants. He can only travel from on...
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其他好文 时间：
2014-05-07 08:48:52
阅读次数：
515
在使用URLDecoder对字符串进行解码的时候 报以下异常信息：
Exception in thread "main" java.lang.IllegalArgumentException: URLDecoder: Incomplete trailing escape (%) pattern
原因是字符串中包含有%字符...
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其他好文 时间：
2014-05-07 08:20:06
阅读次数：
272
Soma is a fashionable girl. She absolutely loves shiny stones that she can put on as jewellery accessories. She has been collecting stones since her childhood - now she has become really good with ide...
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其他好文 时间：
2014-05-07 07:38:20
阅读次数：
415
Paint the Grid Reloaded
Time Limit: 2 Seconds
Memory Limit: 65536 KB
Leo has a grid with N rows and M columns. All cells are painted with either black or white initially.
Two cells A ...
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其他好文 时间：
2014-05-07 07:28:35
阅读次数：
480
The Little Elephant likes permutations. This time he has a permutation A[1], A[2], ..., A[N] of numbers 1, 2, ...,N.
He calls a permutation A good, if the number of its inversions is equal to the n...
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其他好文 时间：
2014-05-07 07:20:50
阅读次数：
356
Paint the Grid Again
Time Limit: 2 Seconds
Memory Limit: 65536 KB
Leo has a grid with N × N cells. He wants to paint each cell with a specific color (either black or white).
Leo has a...
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其他好文 时间：
2014-05-07 06:56:10
阅读次数：
470
Video Surveillance
Time Limit: 1000MS
Memory Limit: 10000K
Total Submissions: 3145
Accepted: 1391
Description
A friend of yours has taken the job of security officer at...
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其他好文 时间：
2014-05-07 06:49:43
阅读次数：
387
CareerCup
目录
Chapter 1 | Arrays and Strings
1.1 Implement an algorithm to determine if a string has all unique characters. What if you can not use additional data structures?
1.2 Write co...
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其他好文 时间：
2014-05-07 04:25:44
阅读次数：
320
AssertionError继承Error，提供了多个构造方法，代码如下：
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this w...
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其他好文 时间：
2014-05-07 03:20:22
阅读次数：
579
