Problems by Piotr Rudnicki

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Antiarithmetic? 1137 214 19% 0.01 271 153 56% 7.2
Ants 2881 1304 45% 0.00 1020 907 89% 2.3
Bachet's Game 1777 989 56% 0.08 664 616 93% 2.1
Basic Remains 356 153 43% 0.02 135 119 88% 3.8
Brownie Points I 225 129 57% 0.02 114 103 90% 2.4
Brownie Points II 30 6 20% 0.11 8 4 50% 7.1
Closest Sums 3161 1241 39% 0.00 994 872 88% 2.9
Cutting a polygon 241 42 17% 0.00 45 29 64% 7.7
Ferry Loading IV 2302 702 30% 0.00 719 522 73% 3.6
How many 0's? 822 359 44% 0.00 320 243 76% 4.0
Knights in Fen 1645 592 36% 0.00 290 251 87% 2.9
Magic Bitstrings 72 27 38% 0.00 29 24 83% 6.0
Marbles On A Tree 883 338 38% 0.00 239 215 90% 2.9
Persistent Numbers 503 215 43% 0.02 172 140 81% 3.8
Rectilinear Polygon 43 15 35% 0.01 17 13 76% 6.3
Three Powers 1647 814 49% 0.00 655 606 93% 2.5
Tri Tiling 1064 495 47% 0.00 401 372 93% 2.1
Watering Grass 1960 396 20% 0.02 336 247 74% 5.9