Hi there.
I am currently starting with the topic DP on Trees. I have read a lot of blogs, watched a lot of videos but can’t get many problems to practice them.
Sites I have checked:
- Codechef
- Codeforces
- SPOJ
I would be grateful if someone could give me some problems based on the topic, or could introduce me to a new website which deals with cp.
P.S: I need problems which are around 2200 in Codeforces.