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2026-10-14 06:12:28
三阶魔方
Time Limit:
1000ms
Memory Limit:
32768KB
This problem will be judged on
HDU
. Original ID:
5250
64-bit integer IO format:
%I64d
Java class name:
Main
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Description
给定三阶魔方的基本操作:
现给出一个由基本操作组合成的操作序列,求问:对一个初状态(六个面都是拼好的)的魔方进行多少次连续的序列操作后,魔方会恢复到初状态。
Input
第一行为T,表示输入数据组数。
下面T行,每行给出一个合法的操作序列字符串,每行不超过100个字符。
Output
对第i组数据,输出
Case #i:
然后输出一个整数,表示答案。若魔方不会恢复则输出-1。
Sample Input
3 R2 R'R'U2 RU
Sample Output
Case #1: 2 Case #2: 6 Case #3: 105
Source
2015年百度之星程序设计大赛 - 初赛(1)
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