Colorfulness of the squares

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You have n square blocks arranged in a straight line. Every block has a number written on it. And each block has a color associated with it. A sub-sequence of blocks has "colorfulness" equal to the number of distinct colors in that sub-sequence. An increasing sub-sequence is a sub-sequence of blocks where the numbers on the blocks are arranged in non-decreasing order. You are given a q number of

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solution.cppC++17

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