Posted by Mark Burford on 2000-04-30
Hi, am using C, and have to reduce a string down to just single occurances of individual letters, that is , no repeats of the same letter. eg) abfaghb goes to abfgh the order needs to be kept as I would like to put the result in a 5x5 matrix. Any help on this part would also be appreciated for those interested, this is for an encryption program using the Playfair Cipher. Many thanks Mark B
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