Kizspy.me
AddBookCategory, reference, sach tham khao
Print BookCategory
SearchBook, Lap trinh JAVA
(textbook,sach giao khoa) is added
(reference, sach tham khao) is added
---Print BookCategory---
(textbook,sach giao khoa)
(reference, sach tham khao)
---Search Result---
Not found
Sample Input 2
input.txt
9
PrintBookCategory
PrintBook
AddBookCategory, textbook,sach giao khoa
AddBookCategory, reference, sach tham khao
AddBook, Lap trinh JAVA, Pham Quang Dung, 2021, reference
PrintBook
PrintBookCategory
SearchBook, Lap trinh JAVA
ClearBook
output.txt
---PrintBookCategory---
Empty
---PrintBook---
Empty
(textbook,sach giao khoa) is added
(reference, sach tham khao) is added
(Lap trinh JAVA) is added
---PrintBook---
(Lap trinh JAVA,Pham Quang Dung,2921):[sach tham khao]
---PrintBookCategory---
(textbook,sach giao khoa)
(reference, sach tham khao)
---Search Result---
(Lap trinh JAVA,Pham Quang Dung,2021):[sach tham khao]
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