271/D {Good Substrings}

Правка en1, от LimuInc, 2015-08-12 17:34:09

may someone explain what is the idea of this solution 3106087 , i know he hashing the string in some how and find

out the count of unique , what is the function of the xor operation used in hashing .

thanks in advance

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en1 Английский LimuInc 2015-08-12 17:34:09 260 Initial revision (published)