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CF Gym 100187J Deck Shuffling
题意:给你一堆牌,和一些洗牌机,可以改变牌的顺序,问你能不能通过洗牌机把数字为x的牌洗到第一个位置。题解:反向建边,dfs判断连通性#include#includeusing namespace std;const int maxn = 200000+4;int a[maxn];vector son...
分类:其他好文   时间:2015-07-19 11:29:04    阅读次数:101
codeforces Gym 100187J J. Deck Shuffling dfs
J. Deck ShufflingTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/gym/100187/problem/JDescriptionThe world famous scientist Innokentiy ...
分类:其他好文   时间:2015-07-18 22:28:05    阅读次数:148
1042. Shuffling Machine (20) - sstream实现数字转字符串
题目如下: Shuffling is a procedure used to randomize a deck of playing cards. Because standard shuffling techniques are seen as weak, and in order to avoid "inside jobs" where employees collaborate w...
分类:系统相关   时间:2015-07-10 15:14:21    阅读次数:176
【原创】 Shuffling
在机器学习领域中,经常会听到“shuffling"这个术语。那么,shuffling到底是什么意思呢。通常,shuffling指的是在SGD怎样依赖训练数据输入顺序的算法中,将训练数据随机打乱,达到让SGD这样的算法得到与Batch算法类似结果的方法。如上图所示,如果训练数据按1,2,3,...,1...
分类:其他好文   时间:2015-06-30 21:48:48    阅读次数:139
[编程题]Shuffling Machine (洗牌程序)
Shuffling is a procedure used to randomize a deck of playing cards. Because standard shuffling techniques are seen as weak, and in order to avoid “inside jobs” where employees collaborate with gamblers...
分类:系统相关   时间:2015-06-16 09:26:09    阅读次数:160
为什么 Domino Shuffling 算法是正确的
如果你关注我的博客,或者也对计数组合学感兴趣的话,那么应该听说了奇妙的多米诺洗牌算法。这个算法并不复杂,但是理解它的正确性可要花一番心思。本文就来介绍这个算法。多米诺洗牌算法最早是由 Elkies, Propp, Larsen, Kuperberg 四人在 92 年的论文 'Alternating ...
分类:编程语言   时间:2015-06-14 01:50:06    阅读次数:347
shuffling
Shuffling is a procedure used to randomize a deck of playing cards to provide an element of chance in card games.   Shuffling的目标是要Shuffling后所有可能情况的概率一样。    Before: After: 这里介绍两种简单的shuffling算法:...
分类:其他好文   时间:2015-06-10 22:35:32    阅读次数:247
Shuffling Machine (20)
世界上居然还有洗牌机这玩意。。。牌的初始序列是:S1, S2, ..., S13, H1, H2, ..., H13, C1, C2, ..., C13, D1, D2, ..., D13, J1, J2给出洗牌轮数n,以及给出一个数列确定洗牌一次后,每张牌的位置都在哪Sample Input:23...
分类:系统相关   时间:2015-06-04 20:41:27    阅读次数:140
00-自测5. Shuffling Machine (20)
模拟...
分类:系统相关   时间:2015-05-09 15:05:22    阅读次数:166
poj3087 Shuffle'm Up
Description A common pastime for poker players at a poker table is to shuffle stacks of chips. Shuffling chips is performed by starting with two stacks of poker chips, S1 and S2, each stack contain...
分类:其他好文   时间:2015-05-05 12:39:12    阅读次数:149
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