Problems by Don Reble

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Magic Bitstrings 72 27 38% 0.00 29 24 83% 5.9
Semi-prime H-numbers 248 97 39% 0.01 83 64 77% 5.6
So you want to be a 2^n-aire? 375 238 63% 0.00 203 172 85% 2.6