Creating Strings

CSESIntroductory ProblemsOpen on judge ↗

Given a string, your task is to generate all different strings that can be created using its characters. Input The only input line has a string of length n. Each character is between a–z. Output First print an integer k: the number of strings. Then print k lines: the strings in alphabetical order. Constraints - 1 \le n \le 8 Example Input: aabac Output: 20 aaabc aaacb aabac aabca aacab

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solution.cppC++17

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