LUCKY LETTERS

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As we all know RK loves his name very much especially the character 'R' so this time task for you is based on his awesome name. RK gives you a string S consisting of characters 'R' and 'K' only. Now you are allowed to do exactly one move that is you have to choose two indices i and j (1 where |S| is string length ) and flip all the characters at position X where i. Flipping the character means :

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L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

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L5 Full solution

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solution.cppC++17

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