Let us get letter crazy!!

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Watson, I am struck at Moriarty's. I will ping you a string S of length K shortly. All characters are lower case English alphabets and distinct. Generate all possible permutations of every string subsequence and have it ready in fancy order. Within the next Q minutes, I will send a number X during every minute. Ping me back the X-th string in the fancy order before I ping you next. If no such stri

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

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L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

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