Can someone please explain this test case to me?

Правка en1, от Duelist1234, 2023-10-08 10:36:34

https://codeforces.me/problemset/problem/1851/C , this problem has been the sooooo confusing , can someone explain test case 9 to , but please dont spoil me the problem solution

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en1 Английский Duelist1234 2023-10-08 10:36:34 226 Initial revision (published)