1004: [HNOI2008]Cards Description 小春现在很清闲,面对书桌上的N张牌,他决定给每张染色,目前小春只有3种颜色:红色,蓝色,绿色.他询问Sun有多少种染色方案,Sun很快就给出了答案.进一步,小春要求染出Sr张红色,Sb张蓝色,Sg张绝色.他又询问有多少种方案,Sun ...
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其他好文 时间:
2018-05-13 19:10:24
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161
题目链接 "BZOJ1004" 题解 burnside定理 在$m$个置换下本质不同的染色方案数,等于每种置换下不变的方案数的平均数 记$L$为本质不同的染色方案数,$m$为置换数,$f(i)$为置换$i$下不变的方案数,那么 $$L = \frac{1}{m}\sum\limits_{i = 1} ...
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其他好文 时间:
2018-05-12 00:02:27
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132
题意:一个特殊21点游戏 具体http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2852 题解:建一个三维dp,表示三个卡槽分别为i,j,l分时最大的收益情况。 坑:~-1==0 ...
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其他好文 时间:
2018-05-09 12:06:34
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127
https://www.lydsy.com/JudgeOnline/problem.php?id=1004 输入数据保证任意多次洗牌都可用这 m种洗牌法中的一种代替,且对每种洗牌法,都存在一种洗牌法使得能回到原状态。(保证置换的完备性) 要考虑1,2,3.。。n这个置换,然后算出每种置换的方案数,除 ...
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其他好文 时间:
2018-04-27 23:53:55
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202
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 "ins ...
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系统相关 时间:
2018-04-27 22:10:03
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276
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 "ins ...
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系统相关 时间:
2018-04-27 02:40:49
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175
import java.util.*; public class Test { public static void main(String[] args) { Random rnd=new Random(); int Cards[][]=new int[13][4]; int Cardss[][] ...
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编程语言 时间:
2018-04-21 11:47:26
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268
创建临时表 UPDATE sys_user, ( SELECT min(id) AS id FROM sys_userWHERE invitation_expert_user_id = '8a2ebe035de8881e015e134139442b93' AND type = 4 AND del_f ...
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数据库 时间:
2018-04-17 11:54:10
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172
Description The multiplication puzzle is played with a row of cards, each containing a single positive integer. During the move player takes one card ...
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其他好文 时间:
2018-04-15 19:41:18
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154
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 "ins ...
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系统相关 时间:
2018-03-07 21:48:04
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190