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...
分类：
其他好文 时间：
2014-05-07 08:48:52
阅读次数：
515
【题目】
原文：
1.3 Design an algorithm and write code to remove the duplicate characters in a string without using any additional buffer. NOTE: One or two additional variables are fine. An
extra copy of...
分类：
其他好文 时间：
2014-05-07 08:48:12
阅读次数：
372
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 ...
分类：
其他好文 时间：
2014-05-07 07:28:35
阅读次数：
480
The number of steps
Time Limit: 1000ms Memory limit: 65536K 有疑问？点这里^_^
题目描述
Mary stands in a strange maze, the maze looks like a triangle（the first layer have one room，the seco...
分类：
其他好文 时间：
2014-05-07 06:15:59
阅读次数：
427
The gray code is a binary numeral system where two successive values differ in only one bit.
Given a non-negative integer n representing the total number of bits in the code, print the sequence of gr...
分类：
其他好文 时间：
2014-05-07 06:10:17
阅读次数：
370
One evening Johnny found some funny looking beens in his grandfather's garden shed, and decided to plant one of them. Next morning, to his surprise he found an enormous beanstalk growing in his back y...
分类：
其他好文 时间：
2014-05-07 05:17:42
阅读次数：
303
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...
分类：
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...
分类：
其他好文 时间：
2014-05-07 03:20:22
阅读次数：
579
Subtraction Game 1
Chef is playing a game on a sequence of N positive integers, say A1, A2, ... AN. The game is played as follows.
If all the numbers are equal, the game ends.Otherwise
Sele...
分类：
其他好文 时间：
2014-05-07 03:14:01
阅读次数：
280
【Question】
Given an array S of n integers, are there elements a, b, c in S such
that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero.
Note:
Elements in ...
分类：
其他好文 时间：
2014-05-06 14:57:29
阅读次数：
318
