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Answers and rating deltas for

How many different letters are in string

Author Votes Δ
Cosmin Prund 10 +1.13
David Heffernan 4 +0.54
Andreas Rejbrand 4 +0.33
Mikael Eriksson 2 -0.48
Kyle Macey 2 +0.00
Doug Johnson-Cookloose 2 -0.14
Jørn E. Angeltveit 2 -0.00
The Communist Duck 1 -2.49
Wouter van Nifterick 0 -1.19
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