selfcompiler's blog

Nim Game and Grundy Number
By selfcompiler, history, 9 years ago, In English

I try to find out some sources to Learn Nim and grundy theorem . But I did not find any explanation , why the logic works .

  1. like xor(n1,n2,n3....nk)=0
  2. How to find grundy number with some explanation . why does this approach work ?

Please refer some problems .

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9 years ago, # |
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This is where I first learned about Sprague-Grundy theorem and NIM.

http://www.math.ucla.edu/~tom/Game_Theory/comb.pdf

If you're familiar with HackerEarth CodeMonk series there will be also a topic about that (if you are willing to wait till that)

Here are some problems (I might search for more later)

http://www.spoj.com/problems/MMMGAME/en/

http://www.spoj.com/problems/MATGAME/

https://icpcarchive.ecs.baylor.edu/external/50/5059.pdf

http://acm.timus.ru/problem.aspx?space=1&num=1465

https://uva.onlinejudge.org/external/115/11534.pdf

Problem E from here http://codeforces.me/gym/100500

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