Help needed in Problem from recent Div3

Revision en2, by hrishabhpatel09, 2024-11-06 09:48:57

2036E - Reverse the Rivers

Can anybody tell, what i m doing wrong? Here is my Submission: 290106596

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  Rev. Lang. By When Δ Comment
en2 English hrishabhpatel09 2024-11-06 09:48:57 7 Tiny change: 'g wrong?\nBelow is my Sub' -> 'g wrong?\nHere is my Sub'
en1 English hrishabhpatel09 2024-11-06 09:48:23 146 Initial revision (published)