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. > The book ID already exists. > C++PrimerPlus added to the system. > Student1 added to the system. > Student2 added to the system. > Success! C++PrimerPlus is borrowed by Student1. > Fail! The book was borrowed by another customer. > Book borrowed by Student1: 1 C++PrimerPlus > Success! The following book has been returned: 1 C++PrimerPlus > > Success! C++PrimerPlus is borrowed by Student2. > Fail! The book was borrowed by another customer. > > Fail! The book was borrowed by another customer. > Exit the system!
JOJ Answer
Welcome to the library management system, please type your commands. > This_testcase_Uses_StudentID added to the system. > C++PrimerPlus added to the system. > Student1 added to the system. > Student2 added to the system. > Success! C++PrimerPlus is borrowed by Student1. > Success! This_testcase_Uses_StudentID is borrowed by Student2. > Book borrowed by Student1: 1 C++PrimerPlus > Success! The following book has been returned: 1 C++PrimerPlus > Success! The following book has been returned: 0 This_testcase_Uses_StudentID > Success! C++PrimerPlus is borrowed by Student2. > Success! This_testcase_Uses_StudentID is borrowed by Student1. > Success! The following book has been returned: 0 This_testcase_Uses_StudentID > Success! This_testcase_Uses_StudentID is borrowed by Student2. > Exit the system!