Problems by Piotr Rudnicki

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
A Flea on a Chessboard0.0128744428765%6.0Harden
Antiarithmetic?0.0121872044762%6.5Harden
Ants0.001043289294490%2.3Easyen
Bachet's Game0.041971742149486%5.1Mediumen
Basic Remains0.017166858387%3.2Mediumen
Brownie Points I0.0114758153292%2.2Easyen
Brownie Points II0.111336291759%6.9Harden
Closest Sums0.002283275287388%2.2Easyen
Cutting a polygon0.001795643961%6.4Harden
Ferry Loading IV0.002972516210784%2.0Easyen
Grid Speed0.04245320945%7.4Harden
How many 0's?0.0012775260580%3.3Mediumen
Knights in Fen0.0013578767185%3.4Mediumen
Magic Bitstrings0.0079746284%5.1Mediumen
Marbles On A Tree0.0024684775389%3.0Mediumen
Persistent Numbers0.0012646938081%4.0Mediumen
Rectilinear Polygon0.01603735271%5.6Harden
Three Powers0.00811666151991%2.2Easyen
Tri Tiling0.00601412123387%2.5Easyen
Watering Grass0.012691679131778%3.1Mediumen