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Answers and rating deltas for

How do I count the number of unique characters in a string? - Updated

Author Votes Δ
Mike B 1 +0.66
Brian S 0 -0.26
Christopher Francisco 0 -0.48
Veluria 0 -0.76
George Irimiciuc 0 -0.87
Alexandre Santos 0 -0.54
Wonil 0 -0.54
Last visited: Sep 14, 2014, 5:07:29 AM