Problems by Piotr Rudnicki

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Antiarithmetic? 1093 205 19% 0.01 264 149 56% 7.2
Ants 2843 1278 45% 0.00 995 884 89% 2.4
Bachet's Game 1747 980 56% 0.08 652 608 93% 2.0
Basic Remains 328 140 43% 0.02 128 113 88% 3.7
Brownie Points I 206 118 57% 0.02 105 95 90% 2.3
Brownie Points II 30 6 20% 0.11 8 4 50% 7.0
Closest Sums 2929 1149 39% 0.00 944 826 88% 2.9
Cutting a polygon 224 35 16% 0.00 42 25 60% 7.9
Ferry Loading IV 2251 683 30% 0.00 703 508 72% 3.7
How many 0's? 819 357 44% 0.00 319 242 76% 4.1
Knights in Fen 1633 587 36% 0.00 286 247 86% 2.9
Magic Bitstrings 72 27 38% 0.00 29 24 83% 5.9
Marbles On A Tree 866 330 38% 0.00 231 207 90% 2.9
Persistent Numbers 489 206 42% 0.02 167 136 81% 3.8
Rectilinear Polygon 42 14 33% 0.01 16 12 75% 6.4
Three Powers 1615 798 49% 0.00 639 590 92% 2.5
Tri Tiling 1044 486 47% 0.00 392 363 93% 2.2
Watering Grass 1877 376 20% 0.02 320 235 73% 5.9