Maurice Tutor

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Teaching Since: May 2017
Last Sign in: 398 Weeks Ago, 3 Days Ago
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 24 Sep 2017 My Price 4.00

permutations of a string.

Use a stack to enumerate all permutations of a string. Suppose you want to find all permutations of the string meat. Push the string +meat on the stack. Now repeat the following operations until the stack is empty.

• Pop off the top of the stack.

• If that string ends in a + (such as tame+), remove the + and print the string

• Otherwise, remove each letter in turn from the right of the +, insert it just before the +, and push the resulting string on the stack. For example, after popping e+mta, you push em+ta, et+ma, and ea+mt.

Answers

Maurice Tutor
(5)
Status NEW Posted 24 Sep 2017 10:09 AM My Price 4.00

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