http://acm.hdu.edu.cn/showproblem.php?pid=4336转自http://www.cnblogs.com/zhj5chengfeng/archive/2013/03/02/2939601.html做法分析由于卡片最多只有 20 种,使用状态压缩,用 0 表示这种卡...
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其他好文 时间:
2015-08-25 21:00:07
阅读次数:
157
查看如下代码: String mac_no_ff = ""; for (int i = 0; i < 6; i++) { mac += Integer.toHexString(card[i] & 0xff).toUpperCase(); ...
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其他好文 时间:
2015-08-21 13:11:32
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145
SELECT?GROUP_CONCAT(?ut.id_card?ORDER?BY?ut.id_card?DESC?SEPARATOR?‘,‘?)???FROM?`edu_user_train`?ut?where?ut.id?in(614,615);
输出结果:
500231199108181861,371324198450304515
使用场...
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数据库 时间:
2015-08-20 13:32:01
阅读次数:
214
Problem DescriptionThere are x cards on the desk, they are numbered from 1 to x. The score of the card which is numbered i(1 2 #include 3 #include 4 #...
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其他好文 时间:
2015-08-19 23:37:28
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224
Problem H: Two EndsIn the two-player game “Two Ends”, an even number of cards is laid out in a row. On each card, faceup, is written a positive intege...
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其他好文 时间:
2015-08-18 21:11:14
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177
题意:有n种卡片,每包面里面,可能有一张卡片或没有,已知每种卡片在面里出现的概率,求获得n种卡片,需要吃面的包数的期望分析:n很小,用状压,以前做状压时做过这道题,但概率怎么推的不清楚,现在看来就是基本的概率dpdp[s]表示获得卡片种数情况是s时期望包数,dp[(1#include #includ...
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其他好文 时间:
2015-08-18 11:37:14
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123
Memory Limit: 32 MB
In the following figure you can see a rectangular card. Thewidth of the card is
W and length of the card is L and thicknessis zero. Four
(x*x) squares are cut from the...
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其他好文 时间:
2015-08-16 16:46:15
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121
华电北风吹
天津大学认知计算与应用重点实验室
日期:2015/8/16Problem 1:Problem 2:Problem 3:
Moist has a hobby collecting figure skating trading cards. His card collection has been growing, and it is now too large to keep...
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其他好文 时间:
2015-08-16 16:41:36
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137
1 package oo.day06; 2 3 import java.util.Scanner; 4 5 public class ATM { 6 7 UnionPay card; 8 9 public void insertcard(UnionPay c...
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其他好文 时间:
2015-08-16 00:23:44
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217
1.提交序列化表单+参数: var a = $.param({'address':address,'delivity':delivity,'payment':payment}) + '&' + $('#card_form').serialize();2.提交多个序列化表单: var form1 .....
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Web程序 时间:
2015-08-14 20:57:50
阅读次数:
161