Problems by Andreas Björklund

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Allergy Test 640 161 25% 0.00 207 101 49% 8.0
Altruistic Amphibians 538 147 27% 0.22 123 92 75% 5.1
Aspen Avenue 2290 643 28% 0.00 434 289 67% 6.2
Best Compromise 901 615 68% 0.00 587 551 94% 2.0
Boiling Vegetables 1485 605 41% 0.00 544 455 84% 3.7
Bread Sorting 1205 453 38% 0.01 474 364 77% 4.6
Circle of Debt 86 24 28% 0.01 26 18 69% 6.3
Code Cleanups 2179 821 38% 0.00 751 673 90% 2.3
Cuckoo Hashing 870 215 25% 0.01 151 113 75% 6.4
Dinner 107 20 19% 0.02 25 17 68% 7.6
Doorman 2933 1535 52% 0.00 1501 1349 90% 2.2
Highest Tower 358 115 32% 0.21 134 96 72% 6.8
Infiltration 143 44 31% 0.00 50 35 70% 6.9
Kindergarten 187 74 40% 0.00 76 52 68% 7.2
Lights Out 183 69 38% 0.15 36 29 81% 7.5
Necklace Decomposition 289 164 57% 0.00 115 98 85% 4.1
Nested Dolls 1495 342 23% 0.06 296 180 61% 6.9
Polyomino Powers 26 15 58% 0.01 14 12 86% 4.9
Quadratic Residues 398 78 20% 0.00 73 58 79% 6.3
Soda Slurper 7120 4205 59% 0.00 4145 3873 93% 1.5
The Bookcase 94 6 6% 0.15 35 6 17% 8.9