emotionles's blog

Siblings dp in trees
By emotionles, history, 10 years ago, In English

Can anyone give me some links through which I can learn siblings dp? And also please provide me some problems related to it. Thanks in advanced...

Tags dp, tree
  • Vote: I like it
  • +11
  • Vote: I do not like it

Comments Comments (10)
| Write comment?
»
9 years ago, # |
← Rev. 2   Vote: I like it +5 Vote: I do not like it

I found some problems with sibling dp. It will be very helpful if anyone provides more: 1. https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=242&page=show_problem&problem=3245

  1. https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=5184

  2. http://www.lightoj.com/volume_showproblem.php?problem=1252

→ Reply
»
8 years ago, # |
  Vote: I like it 0 Vote: I do not like it

There is another one: https://www.hackerrank.com/contests/world-codesprint-9/challenges/kingdom-division

This problem is solved using sibling DP as the mentioned above :)

→ Reply
»
8 years ago, # |
  Vote: I like it +31 Vote: I do not like it

What is sibling DP? Is it just solving for some node of a tree some prefix of its children, using answers for previous prefixes?

→ Reply
»
8 years ago, # |
  Vote: I like it 0 Vote: I do not like it

Check these problems from the CF set :

http://mirror.codeforces.com/problemset/problem/440/D

http://mirror.codeforces.com/problemset/problem/618/D

→ Reply
»
6 years ago, # |
  Vote: I like it 0 Vote: I do not like it

What about this one?

→ Reply
»
6 years ago, # |
  Vote: I like it 0 Vote: I do not like it

You can list the problems in your post.

→ Reply
»
5 years ago, # |
← Rev. 2   Vote: I like it +8 Vote: I do not like it

i found this blog represent about sibling DP technique

→ Reply