Problems by Piotr Rudnicki

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
A Flea on a Chessboard0.0128744528865%6.0Harden
Antiarithmetic?0.0121872144862%6.5Harden
Ants0.001043301295489%2.3Easyen
Bachet's Game0.041971743149586%5.1Mediumen
Basic Remains0.017167058587%3.2Mediumen
Brownie Points I0.0114758253392%2.2Easyen
Brownie Points II0.111336291759%6.9Harden
Closest Sums0.002283279287788%2.2Easyen
Cutting a polygon0.001795643961%6.4Harden
Ferry Loading IV0.002972520211084%2.0Easyen
Grid Speed0.042453221150%6.6Harden
How many 0's?0.0012775360680%3.3Mediumen
Knights in Fen0.0013579768386%3.3Mediumen
Magic Bitstrings0.0079756283%5.6Harden
Marbles On A Tree0.0024685075689%3.0Mediumen
Persistent Numbers0.0012646938081%4.0Mediumen
Rectilinear Polygon0.01603735271%5.6Harden
Three Powers0.00811667152091%2.2Easyen
Tri Tiling0.00601412123387%2.5Easyen
Watering Grass0.012691692132478%3.2Mediumen