Number on tree problem

Правка en1, от horseprabhat625, 2020-01-25 15:45:57

can anyone help me out in the below problem solution. I didn't understand the editorial. https://codeforces.me/contest/1286/problem/B

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en1 Английский horseprabhat625 2020-01-25 15:45:57 157 Initial revision (published)