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Answers and rating deltas for

How to check if a char occurs more than once in a string?

Author Votes Δ
Peter Lawrey 4 +0.36
Irakli 3 +2.87
Florian Albrecht 1 +0.09
Ainojie Ajayi 0 0.00
sandor 0 -2.58
aasu 0 -2.77
Last visited: Jun 24, 2017, 4:03:14 PM