Problem3392--【Div4】abc401pb-Unauthorized

3392: 【Div4】abc401pb-Unauthorized

[Creator : ]
Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 12Submit Num: 12Statistics

Description





Sample Input Copy 

6
login
private
public
logout
private
public

Sample Output Copy 

1

HINT

Source/Category

Div4 字符串 标记 
Submit