AbdAl-mateen's blog

By AbdAl-mateen, history, 4 years ago, In English

Hi? I'm struggling with this problem https://mirror.codeforces.com/contest/468/problem/B

I thought about this a lot, but still don't know where I messed!

Solution: 80961934

My approach was straight forward, for each element, e, I checked if there is a — e or b — e, if it's then I take the element the the appropriate group. Kind of DSU approach.


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