Problems by Piotr Rudnicki

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
A Flea on a Chessboard0.0128742827765%6.1Harden
Antiarithmetic?0.0125867741461%6.7Harden
Ants0.001043229288989%2.3Easyen
Bachet's Game0.041971721148386%5.1Mediumen
Basic Remains0.017166457787%3.3Mediumen
Brownie Points I0.0114757752791%2.3Easyen
Brownie Points II0.111336281657%6.6Harden
Closest Sums0.002283230282988%2.4Easyen
Cutting a polygon0.002053623760%6.5Harden
Ferry Loading IV0.002972452204483%2.2Easyen
Grid Speed0.04245320945%7.2Harden
How many 0's?0.0012774659880%3.5Mediumen
Knights in Fen0.0014577165785%3.6Mediumen
Magic Bitstrings0.0079726083%5.7Harden
Marbles On A Tree0.0024684174889%3.0Mediumen
Persistent Numbers0.0012646637781%4.1Mediumen
Rectilinear Polygon0.01603725069%6.2Harden
Three Powers0.00811653150591%2.3Easyen
Tri Tiling0.00601386120787%2.6Easyen
Watering Grass0.012691543118677%4.0Mediumen