Any Hint ,please!

Revision en2, by SalmaHatem, 2022-06-24 17:18:47

Hello !

May anyone help me to solve this problem ?

https://atcoder.jp/contests/abc172/tasks/abc172_c?lang=en

Thank You.

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  Rev. Lang. By When Δ Comment
en2 English SalmaHatem 2022-06-24 17:18:47 43
en1 English SalmaHatem 2022-06-24 17:11:56 139 Initial revision (published)