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BlackRock is conducting an online coding competition on Hackerrank. You will have 48 hours to solve 8 challenges. This is an individual contest; top 54 participants get a BlackRock T-shirt and top three participants get Amazon gift cards worth $2000, $1000, $500.
The contest starts at 3PM, June 10, Eastern time
Hi, I am unable to solve the following problem. http://www.spoj.com/problems/COLORCAT/
I tried a few things like denoting the color change mathematically... the c1 and c2 colored cats talk to each other then their color changes to -(c1+c2) (mod 3) but it wasn't much useful.
Any hints or ideas are welcome.
