Notes
This function is in beta test. Please help improve it in the issues
here.
Hints
Your answer may be identical to the JOJ answer in the first several lines.
However, you will still get Wrong Answer because the complete output may be longer and there might be errors in the future lines.
Please double check your code to solve this problem and try again.
Your Answer
Welcome to the library management system, please type your commands. > book1 added to the system. > book12 added to the system. > book123 added to the system. > The book title already exists. > book5 added to the system. > name1 added to the system. > name2 added to the system. > name3 added to the system. > 0001 book1 on shelf 0012 book12 on shelf 0123 book123 on shelf 12345 book5 on shelf > 0001 name1 0022 name2 0333 name3 > 0123 book123 on shelf > 0001 book1 on shelf > Success! book12 is borrowed by name1. > Fail! The book was borrowed by another customer. > 0001 book1 on shelf > 0012 book12 borrowed > 0001 book1 on shelf > 0123 book123 on shelf > Fail! The book was borrowed by another customer. > Success! book123 is borrowed by name2. > 0001 book1 on shelf > 0012 book12 borrowed > 0123 book123 borrowed > Fail! The book was already borrowed by name1 > 0001 book1 on shelf 0012 book12 borrowed 0123 book123 borrowed 12345 book5 on shelf > Success! The following book has been returned: 0012 book12 > 0001 book1
JOJ Answer
Welcome to the library management system, please type your commands. > book1 added to the system. > book12 added to the system. > book123 added to the system. > book1 added to the system. > book5 added to the system. > name1 added to the system. > name2 added to the system. > name3 added to the system. > 0001 book1 on shelf 0012 book12 on shelf 0123 book123 on shelf 1234 book1 on shelf 12345 book5 on shelf > 0001 name1 0022 name2 0333 name3 > 0123 book123 on shelf > 0001 book1 on shelf 1234 book1 on shelf > Success! book12 is borrowed by name1. > Fail! The book was borrowed by another customer. > 0001 book1 on shelf > 0012 book12 borrowed > 0001 book1 on shelf > 0123 book123 on shelf > Fail! The book was borrowed by another customer. > Success! book123 is borrowed by name2. > 0001 book1 on shelf 1234 book1 on shelf > 0012 book12 borrowed > 0123 book123 borrowed > Success! book1 is borrowed by name1. > 0001 book1 borrowed 0012 book12 borrowed 0123 book123 borrowed 1234 book1 on shelf 12345 book5 on shelf > Suc