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Permutations (Posted on 2003-07-02) Difficulty: 3 of 5
Find an algorithm (subroutine) that when called repeatedly with the same character-string variable that is initialized with n characters, all different, will cycle through all the permutations of those n characters, so that for example, when called 24 times with a string of length 4, will have cycled that string through all 24 permutations and returned it to its initial state.

See The Solution Submitted by Charlie    
Rating: 4.0000 (3 votes)

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re(2): two ways | Comment 6 of 14 |
(In reply to re: two ways by friedlinguini)

the first code i posted does yield one permutation per call, the list return is composed of characters (or whatever..)

on the other hand i assumed the call was made with the same string each time.. hmm
  Posted by Cheradenine on 2003-07-03 06:06:21

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