Problems by Piotr Rudnicki

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
A Flea on a Chessboard0.0128743728565%6.0Harden
Antiarithmetic?0.0125868241861%6.7Harden
Ants0.001043245290389%2.3Easyen
Bachet's Game0.041971726148886%5.1Mediumen
Basic Remains0.017166557987%3.3Mediumen
Brownie Points I0.0114758053091%2.3Easyen
Brownie Points II0.111336291759%6.5Harden
Closest Sums0.002283261285688%2.3Easyen
Cutting a polygon0.002053623760%6.4Harden
Ferry Loading IV0.002972473206483%2.1Easyen
Grid Speed0.04245320945%7.2Harden
How many 0's?0.0012774860080%3.4Mediumen
Knights in Fen0.0014577165785%3.5Mediumen
Magic Bitstrings0.0079736184%5.4Mediumen
Marbles On A Tree0.0024684575189%3.0Mediumen
Persistent Numbers0.0012646737881%4.0Mediumen
Rectilinear Polygon0.01603735170%6.2Harden
Three Powers0.00811660151291%2.3Easyen
Tri Tiling0.00601405122687%2.5Easyen
Watering Grass0.012691577121977%3.9Mediumen