Problems by Bob Roos

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
All in the Family 185 40 22% 0.00 57 38 67% 5.3
A Random Problem 394 102 26% 0.00 92 65 71% 6.9
Bio Trip 157 52 33% 0.01 54 43 80% 7.6
Car Vet 743 239 32% 0.01 188 160 85% 4.0
Cheese, If You Please 534 243 46% 0.00 171 158 92% 3.3
Just Passing Through 1032 274 27% 0.03 218 181 83% 4.9
Math Trade 161 84 52% 0.00 103 80 78% 4.7
Oreperations Research 152 30 20% 1.00 32 19 59% 7.3
Out of Sorts 1392 621 45% 0.02 433 394 91% 3.2
Over the Hill, Part 1 162 91 56% 0.00 98 89 91% 2.1
Over the Hill, Part 2 82 28 34% 0.00 28 23 82% 5.0
Restroom Monitor 322 97 30% 0.01 103 74 72% 5.1
Scholar's Lawn 163 43 26% 0.00 22 17 77% 6.7
Simply Sudoku 96 49 51% 0.00 56 47 84% 4.4
Square Rooms 140 61 44% 0.00 44 34 77% 6.0
Taxed Editor 692 151 22% 0.00 117 88 75% 6.4
Watch Where You Step 964 241 25% 0.06 175 109 62% 7.5
Weighty Tomes 73 36 49% 0.00 45 33 73% 6.6
Workers of the World Unite! Just Not Too Close. 75 32 43% 0.01 27 24 89% 5.1