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, the main problem you meet now is Runtime Error. And the exit code of your program is -11, which should be 0.
Please double check your code to solve this problem and try again.
Your Answer
Book Dummy Book 1 is borrowed. Book Dummy Book 1 is returned. Book Dummy Book 2 is borrowed. Book Dummy Book 2 is returned. Book Dummy Book 3 is borrowed. Book Dummy Book 3 is returned. Book Dummy Book 4 is borrowed. Book Dummy Book 4 is returned. Book Dummy Book 5 is borrowed. Book Dummy Book 5 is returned. Book Dummy Book 6 is borrowed. Book Dummy Book 6 is returned. Book Dummy Book 7 is borrowed. Book Dummy Book 7 is returned. Book Dummy Book 8 is borrowed. Book Dummy Book 8 is returned. Book Dummy Book 9 is borrowed. Book Dummy Book 9 is returned. Book Dummy Book 10 is borrowed. Book Dummy Book 10 is returned. The library is full. Book is borrowed. Invalid book ID.
JOJ Answer
Book Dummy Book 1 is borrowed. Book Dummy Book 1 is returned. Book Dummy Book 2 is borrowed. Book Dummy Book 2 is returned. Book Dummy Book 3 is borrowed. Book Dummy Book 3 is returned. Book Dummy Book 4 is borrowed. Book Dummy Book 4 is returned. Book Dummy Book 5 is borrowed. Book Dummy Book 5 is returned. Book Dummy Book 6 is borrowed. Book Dummy Book 6 is returned. Book Dummy Book 7 is borrowed. Book Dummy Book 7 is returned. Book Dummy Book 8 is borrowed. Book Dummy Book 8 is returned. Book Dummy Book 9 is borrowed. Book Dummy Book 9 is returned. Book Dummy Book 10 is borrowed. Book Dummy Book 10 is returned. The library is full. Invalid book ID. Invalid book ID. test14 passed.