Problems by Piotr Rudnicki

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Antiarithmetic? 1008 183 18% 0.01 245 133 54% 7.4
Ants 2685 1215 45% 0.00 939 834 89% 2.4
Bachet's Game 1703 958 56% 0.08 635 595 94% 1.9
Basic Remains 314 133 42% 0.02 119 106 89% 3.4
Brownie Points I 174 97 56% 0.02 86 76 88% 2.7
Closest Sums 2837 1117 39% 0.00 914 800 88% 2.9
Cutting a polygon 222 33 15% 0.00 41 24 59% 8.3
Ferry Loading IV 2238 674 30% 0.00 695 500 72% 3.7
How many 0's? 775 332 43% 0.00 304 229 75% 4.2
Knights in Fen 1602 576 36% 0.00 276 239 87% 2.8
Magic Bitstrings 66 24 36% 0.00 25 21 84% 5.2
Marbles On A Tree 758 303 40% 0.00 219 196 89% 2.9
Persistent Numbers 458 198 43% 0.02 160 129 81% 4.0
Rectilinear Polygon 41 13 32% 0.01 15 11 73% 6.7
Three Powers 1572 778 49% 0.00 619 574 93% 2.5
Tri Tiling 994 467 47% 0.00 373 347 93% 2.1
Watering Grass 1842 370 20% 0.02 314 231 74% 6.0