I was solving questions of today's round and as usual I couldn't solve problem D which is tagged tree + DP as i have been always weak in these type of questions so someone plz help!! i would be forever in debt if anyone could suggest from where i can solve these questions, i have already tried almost all questions on codeforces, but for each of them i had to read the editorial if anyone could provide the questions from various online judges similar to today's question, i would be glad, plz HELP !!!! Also if anyone could provide some rich resources to study this topic.I know we need practie to improve in any topic so i m asking for all the questions related to this topic(preferably like today's). Plz help your brother in the name of Allah!!
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why write a new blog?
I m somewhat mew to codeforces, and this topic and these type of questions have been bothering me for days now. Sorry for any inconvenience.
You should see hackerearth codemonk series on trees.
Also try to understand and solve questions here.
This is a tutorial on Dynamic Programming on trees.