Can someone explain the solution to this problem? I've been trying so hard to solve it since yesterday but I couldn't find a solution for it.
https://szkopul.edu.pl/problemset/problem/TE77UNYEUxsFcrRxYRPc99na/site/?key=statement
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Rayan Programming Contest 2024 - Selection (Codeforces Round, Div. 1 + Div. 2)
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