Problems by Bob Roos

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
A Random Problem0.00108952514127%7.8Harden
All in the Family0.008954559220%6.0Harden
B Road Band0.0149049613928%5.9Harden
Bio Trip0.0064431611536%7.2Harden
Car Vet0.015120831026%7.7Harden
Cheese, If You Please0.0049782336845%3.5Mediumen
Compression0.0051899952%3.4Mediumen
Ghost Leg0.0052703180667%1.5Easyen
Just Passing Through0.03964159138124%5.0Mediumen
Math Trade0.0028474933244%3.3Mediumen
Mult!0.0053792209255%1.9Easyen
Oreperations Research0.0612533387422%7.1Harden
Out of Sorts0.0153990166542%2.2Easyen
Over the Hill, Part 10.0015562633353%2.4Easyen
Over the Hill, Part 20.0022402085727%7.1Harden
Pearls0.2020781843117%8.3Harden
Restroom Monitor0.01565119931%4.6Mediumen
Schedule0.00642371643%5.7Harden
Scholar's Lawn0.0027424518920%8.2Harden
Simply Sudoku0.0093779621727%4.0Mediumen
Square Rooms0.006432359540%6.9Harden
Taxed Editor0.0041371616223%6.5Harden
Watch Where You Step0.0663485319523%7.5Harden
Weighty Tomes0.00529313446%3.6Mediumen
Workers of the World Unite! Just Not Too Close.0.0118802077737%5.6Harden