Power Set

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Given a string, we have to generate the power set of the given string in lexicographic order. Power set means set of all the subsets. Repetition of subsets is not allowed!. ### Input A string of length l without any duplicate elements. ### Output subsets of the string separated by space in lexicographic order. ### Constraints - $1 \leq l \leq 50$ ### Subtasks - 30 points : $1 \leq R \leq 10000

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solution.cppC++17

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