Problem3591--【Div4】CF2204A-传球

3591: 【Div4】CF2204A-传球

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Time Limit : 1.000 sec  Memory Limit : 128 MB

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Description



Sample Input Copy 

3
4
RLRL
6
RRRRRL
9
RRLRRRRRL

Sample Output Copy 

2
6
3

Source/Category

字符串 
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