Problems by Bob Roos

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
All in the Family 218 45 21% 0.00 65 43 66% 5.1
A Random Problem 405 106 26% 0.00 96 69 72% 6.8
Bio Trip 167 56 34% 0.01 59 47 80% 7.2
Car Vet 788 249 32% 0.01 197 169 86% 4.1
Cheese, If You Please 618 281 45% 0.00 203 187 92% 3.5
Just Passing Through 1140 305 27% 0.03 239 199 83% 5.0
Math Trade 208 108 52% 0.00 128 102 80% 4.2
Mult! 1492 984 66% 0.00 966 920 95% 1.6
Oreperations Research 190 35 18% 1.00 39 23 59% 6.8
Out of Sorts 1737 804 46% 0.02 565 520 92% 2.8
Over the Hill, Part 1 248 145 58% 0.00 143 131 92% 2.2
Over the Hill, Part 2 89 33 37% 0.00 32 26 81% 4.8
Restroom Monitor 376 111 30% 0.01 114 84 74% 5.0
Scholar's Lawn 188 49 26% 0.00 26 20 77% 6.6
Simply Sudoku 136 63 46% 0.00 71 58 82% 4.9
Square Rooms 149 66 44% 0.00 50 38 76% 6.4
Taxed Editor 722 158 22% 0.00 127 95 75% 6.7
Watch Where You Step 1011 249 25% 0.06 183 114 62% 7.8
Weighty Tomes 95 49 52% 0.00 54 41 76% 5.5
Workers of the World Unite! Just Not Too Close. 98 43 44% 0.01 37 33 89% 4.4