Problems by Andreas Björklund

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Allergy Test 631 157 25% 0.00 202 98 49% 8.1
Altruistic Amphibians 520 139 27% 0.22 114 85 75% 5.1
Aspen Avenue 2263 633 28% 0.00 423 283 67% 6.1
Best Compromise 824 566 69% 0.00 539 505 94% 2.0
Boiling Vegetables 1424 569 40% 0.00 514 427 83% 3.7
Bread Sorting 1155 423 37% 0.01 449 341 76% 4.5
Circle of Debt 86 24 28% 0.01 26 18 69% 6.4
Code Cleanups 2084 768 37% 0.00 714 636 89% 2.4
Cuckoo Hashing 840 211 25% 0.01 147 110 75% 6.3
Dinner 103 18 17% 0.02 23 15 65% 7.7
Doorman 2864 1491 52% 0.00 1458 1309 90% 2.2
Highest Tower 356 114 32% 0.21 132 95 72% 6.6
Infiltration 140 43 31% 0.00 49 34 69% 6.9
Kindergarten 174 70 40% 0.00 71 48 68% 7.5
Lights Out 183 69 38% 0.15 36 29 81% 7.5
Necklace Decomposition 288 163 57% 0.00 114 97 85% 4.1
Nested Dolls 1452 327 23% 0.06 283 173 61% 6.8
Polyomino Powers 26 15 58% 0.01 14 12 86% 4.9
Quadratic Residues 387 75 19% 0.00 67 55 82% 4.9
Soda Slurper 5787 3430 59% 0.00 3391 3174 94% 1.5
The Bookcase 83 4 5% 0.31 33 4 12% 8.9