XD Subsequences

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Problem description. Winston and Royce love sharing memes with each other. They express the amount of seconds they laughed ar a meme as the number of ‘XD’ subsequences in their messages. Being optimization freaks, they wanted to find the string with minimum possible length and having exactly the given number of ‘XD’ subsequences. Input - The first line of the input contains an integer T denotin

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solution.cppC++17

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