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Choosing a random element from a list of unknown lengthNovember 2 2009 at 3:11 PM | qbguy (no login) |
| The numbers are in a data structure such that so you must process them sequentially (e.g. a singly linked list or being read from standard input), rather than taking the length and doing the obvious solution.
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Anonymous
(no login) | (ROT13ed URL for solution [Scheme]) | November 2 2009, 3:12 PM |
uggc://yvfc.cnfgrova.pbz/s32o0p869
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