Problems by Ondřej Lhoták

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Adventures in Moving -- Part IV 1774 394 22% 0.00 341 281 82% 4.8
Babelfish 11507 5125 45% 0.01 4130 3677 89% 2.3
Bridges and Tunnels 710 225 32% 0.04 145 134 92% 3.1
Bridges and Tunnels 2 155 36 23% 0.06 31 24 77% 5.5
Buzzwords 1002 357 36% 0.00 231 190 82% 5.3
Card Hands 45 17 38% 0.06 18 16 89% 5.4
Carpool 329 59 18% 0.00 56 43 77% 6.2
Colliding Traffic 729 101 14% 0.01 89 64 72% 7.4
Convex Hull 1018 241 24% 0.03 193 143 74% 6.7
Course Scheduling 527 319 61% 0.01 188 177 94% 2.0
Crabbles 105 25 24% 0.14 28 20 71% 6.1
Digits 1876 642 34% 0.00 601 506 84% 3.6
Dominoes 2 4189 1351 32% 0.00 1123 957 85% 3.2
Dominos 4553 1022 22% 0.02 784 584 74% 5.0
Driving Range 1790 614 34% 0.15 478 426 89% 3.6
Exact Change 5992 1627 27% 0.00 1289 958 74% 5.0
Exchange Rates 386 109 28% 0.00 119 99 83% 5.2
Fire! 2720 623 23% 0.01 487 379 78% 5.1
Frosh Week 6129 1543 25% 0.00 1293 910 70% 5.1
Hot Spot 101 23 23% 0.16 23 20 87% 3.6
Ideas 50 6 12% 0.18 9 5 56% 7.4
Knight's Trip 232 41 18% 0.00 57 37 65% 7.1
Logo 2 1884 422 22% 0.00 188 151 80% 5.4
MC Part Deux 31 5 16% 0.00 8 4 50% 7.8
Modulo Solitaire 155 55 35% 0.10 35 33 94% 3.6
Nice Prefixes 62 15 24% 0.02 20 12 60% 8.6
Ocean Currents 743 261 35% 0.17 202 173 86% 4.9
Pick up sticks 3515 987 28% 0.08 818 638 78% 3.8
Rocket Stages 300 68 23% 0.03 44 28 64% 3.6
Room Painting 4302 1176 27% 0.01 1053 868 82% 3.4
Scrolling Sign 740 343 46% 0.00 344 305 89% 3.1
Shopping 295 71 24% 0.21 47 40 85% 5.8
Slalom 2 785 140 18% 0.10 118 84 71% 6.1
Stack Machine 74 20 27% 0.02 14 10 71% 6.2
The Dragon of Loowater 4036 1338 33% 0.01 1300 1074 83% 2.9
Tic Tac Toe 1190 61 5% 0.01 130 42 32% 9.0
Tour de France 1701 597 35% 0.00 569 497 87% 3.0
Train Sorting 5737 1073 19% 0.00 1055 721 68% 6.5
Treasure Hunt 4850 1597 33% 0.00 1415 1272 90% 2.5
Tunnelling the Earth 68 36 53% 0.00 28 24 86% 5.3
Unique Snowflakes 3186 891 28% 0.02 673 549 82% 4.3
Virtual Friends 9420 2590 27% 0.01 1892 1423 75% 4.6
Zerg Rush!!! 106 13 12% 0.28 17 11 65% 7.6