Piotr Rudnicki Problem Index
Steps
Gopher II
Tight Words
Division
Ones
Pairsumonious Numbers
Watering Grass
Bachet's Game
Longest Common Subsequence
Cutting tabletops
Simple division
Farey sequences
Knights in FEN
Peter Takes a Tramway
Closest Sums
Conic Distance
Persistent Numbers
Basic Remains
Partitioning for fun and profit
ASCII Labyrinth
Center of symmetry
Mayor's posters
Queuing at the doctors
Gopher and Hawks
A Flea on a Chessboard
Three powers
Grid Speed
Marbles on a tree
Ants
Antiarithmetic?
Dice Throwing
Translation or rotation
Broken Keyboard
Signed-digit numbers
Brownie Points
Cutting a Polygon
Brownie Points II
Billiard again
Pick-up Sticks
Tri Tiling
Dropping water balloons
Throwing cards away I
Land surveyor's job
Flea circus
Ants, Aphids and a Ladybug
Throwing cards away II
Words adjustment
Educational Journey
Flipping Colors
Ferry Loading IV
Eventually Periodic Sequence
Point of View in Flatland
How Many O's?
Rectilinear Polygon
An antiarithmetic permutation
Billiard bounces
Fabled Rooks
Gopher that walks and swims
Ingenuous Cubrency