I was trying to solve this problem on Codechef, " https://www.codechef.com/ICOP1904/problems/GRP ". I understand that I have to use DP to solve it and also that I have to maintain two states, but I am unable to figure out how to proceed to solve it. I even looked at some submissions but I am still not sure if I got it completely. Can someone please explain me how to solve the problem. Thanks in advance..
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