原地址:http://www.cnblogs.com/bayonetxxx/archive/2009/06/02/1494728.html我们平常用的都是对象的强引用,如果有强引用存在,GC是不会回收对象的。我们能不能同时保持对对象的引用,而又可以让GC需要的时候回收这个对象呢?.NET中提供了We...
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其他好文 时间:
2014-05-06 08:53:36
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317
MATLAB绘制函数的图形.pdfhttp://gc.nuaa.edu.cn/math/data/%E6%95%B0%E5%AD%A6%E5%AE%9E%E9%AA%8C/MATLAB/2-MATLAB%E7%BB%98%E5%88%B6%E5%87%BD%E6%95%B0%E7%9A%84%E5%...
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其他好文 时间:
2014-05-06 01:11:27
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268
Say you have an array for which theithelement
is the price of a given stock on dayi.Design an algorithm to find the maximum
profit. You may complete a...
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其他好文 时间:
2014-05-06 00:51:29
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353
1 /** 2 * Definition for binary tree 3 * public
class TreeNode { 4 * int val; 5 * TreeNode left; 6 * TreeNode right; 7 *
TreeNo...
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2014-05-05 22:44:13
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328
Problem E: WeddingUp to thirty couples will
attend a wedding feast, at which they will be seated on either side of a long
table. The bride and groom s...
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其他好文 时间:
2014-05-05 22:10:59
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373
题意:有a个村庄、b个城镇, 编号分别为:1—a , a+1——a+b 。 有双神奇的鞋,可以瞬时移动,可以使用k次,每次可以移动L , 但穿这双鞋的时候,不能经过城镇 , 问:从a+b 到 1 最短距离是多少?
刚开始看这个题时 , 一点思路都没有 , dp类型的题目做得太少了。
解法:进行状态压缩, 用点+使用鞋子的次数 , 来表示一个状态 , d[i][k] , 表示到 ...
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其他好文 时间:
2014-05-04 00:21:00
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383
【题目】
B
Age Sort
Input: Standard Input
Output: Standard Output
You are given the ages (in years) of all people of a country with at least 1 year of age. You kn...
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其他好文 时间:
2014-05-03 16:51:42
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427
【题目】
Problem C
CALCULATOR CONUNDRUM
Alice got a hold of an old calculator that can display n digits. She was bored enough to come up with the following time waster.
She enters a number k t...
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其他好文 时间:
2014-05-03 15:37:03
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308
Where's Waldorf?
Given a m by n grid
of letters, ( ),
and a list of words, find the location in the grid at which the word can be found. A word matches a straight, uninterrupted line o...
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2014-05-02 10:59:15
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514
A regular palindrome is a string of numbers or letters that is the same forward as backward. For example, the string "ABCDEDCBA" is a palindrome because it is the same when the string is read from lef...
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其他好文 时间:
2014-05-02 10:33:09
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332