Problems by Don Reble

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Magic Bitstrings 85 34 40% 0.00 37 31 84% 4.8
Semi-prime H-numbers 252 99 39% 0.01 85 66 78% 5.6
So you want to be a 2^n-aire? 381 241 63% 0.00 208 175 84% 2.7