码迷,mamicode.com
首页 >  
搜索关键字:card    ( 1723个结果
HDU4336——期望+状态压缩DP——Card Collector
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...
分类:其他好文   时间:2015-08-25 21:00:07    阅读次数:157
byte转换为十六进制时,Integer.toHexString需要&FF的原因
查看如下代码: String mac_no_ff = ""; for (int i = 0; i < 6; i++) { mac += Integer.toHexString(card[i] & 0xff).toUpperCase(); ...
分类:其他好文   时间:2015-08-21 13:11:32    阅读次数:145
Mysql 的 GROUP_CONCAT() 函数拼接串
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...
分类:数据库   时间:2015-08-20 13:32:01    阅读次数:214
hdu 5159 Card (期望)
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 #...
分类:其他好文   时间:2015-08-19 23:37:28    阅读次数:224
Gym 100650H Two Ends DFS+记忆化搜索
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...
分类:其他好文   时间:2015-08-18 21:11:14    阅读次数:177
HDU 4336-Card Collector(状压,概率dp)
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...
分类:其他好文   时间:2015-08-18 11:37:14    阅读次数:123
Lightoj 1297 - Largest Box
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...
分类:其他好文   时间:2015-08-16 16:46:15    阅读次数:121
Google笔试(2015/8/6)
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...
分类:其他好文   时间:2015-08-16 16:41:36    阅读次数:137
农行ATM小案例
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...
分类:其他好文   时间:2015-08-16 00:23:44    阅读次数:217
ajax 提交序列化表单
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 .....
分类:Web程序   时间:2015-08-14 20:57:50    阅读次数:161
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!