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NOI China 1999 : Birthday Cake
http://wcipeg.com/problem/noi99p3
Could someone please help with this problem? Best I could come up with was a (n^2.5) *m dp solution which will obviously timeout.
Found this blog online, but couldn't understand the idea (search + pruning). https://www.byvoid.com/blog/noi-1999-solution
Thanks!
