Popping Balloons

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Chef Samarth is always looking for new activities after his rigorous coding sessions. This time he went to a fair and got his eyes transfixed on a balloon shooting game. But the shopkeeper introduced a twist for him. Consider $N$ balloons in a row, each either red coloured denoted by R, or blue coloured denoted by B. In one shot, he can only shoot balloons forming a palindromic subsequence. (s

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solution.cppC++17

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