Educational Cards
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Queue: FIFO und Kapazität
Eine Queue speichert Elemente nach FIFO: das zuerst eingefügte Element verlässt die Struktur...
Wegnehmspiel und Modulo k+1
In diesem Wegnehmspiel startest du mit einem Haufen Marken und entfernst pro Zug zwischen 1 und k...
Nim and the nim-sum
Nim has several rows of counters. Each turn a player removes any number of counters from a single...
The golden coin game
In this take-away game you start with a pile of tokens and each turn remove between 1 and k of...
Northcott's game is Nim in disguise
Northcott's game puts a black and a white piece on each row of a board; on your turn you slide your...
Balancing two armies
Build two armies of equal total value from the piece values pawn 1, knight 3, bishop 3, rook 5,...
Sliding rooks and representation
Rooks slide under fixed rules and the last legal move wins. The path to a strategy is to find a...
Shortest rook tour
A closed tour visits every square once and returns to the start. Tour a small board with single...
Piece values as numbers
Give each piece its standard value: pawn 1, knight 3, bishop 3, rook 5, queen 9. Now the pieces are...
Tours on a mutilated board
On a board with some squares removed, decide whether a rook can tour all remaining squares with...
Rook routes and binomial coefficients
Count the shortest routes for a piece crossing a grid, moving only right and up one square at a...
Domino tiling and the mutilated board
A domino covers two adjacent squares. Tiling a region means covering it with dominoes, no gaps and...