Problem2872--【Div3】思维+字符串练习 - 访问邻居

2872: 【Div3】思维+字符串练习 - 访问邻居

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 12Submit Num: 15Statistics

Description




Sample Input Copy 

7
LLRRRLL

Sample Output Copy 

4

Source/Category

Div3 字符串 AIO 
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