Help me to find the fault in this code — problem 279B Books

Правка en1, от comgaTramAnh, 2022-10-05 15:28:19

Hello Codeforces,

My sister implemented the solution for 279B — Books here:

https://ideone.com/uPow6L

And so amazing !!!! This solution is accepted. I've tried but cannot create the test case to prove this solution is wrong. Can you help me ? Or can you prove that this solution is correct

Thank you a lot for your help.

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en1 Английский comgaTramAnh 2022-10-05 15:28:19 402 Initial revision (published)