Questions tagged [combinatorics]
A puzzle based on combinatorics, which is the study of counting discrete structures. Use with [mathematics]
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questions with no upvoted or accepted answers
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A robot moving on a grid. Part 2
This is an extension of the discussion
A robot is placed on a grid point. At each move the robot must take three steps along the edge of the grid. After each step the robot must turn right. Lengths of ...
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Strategy for solving "Hypatian Enigma" puzzle (all lines add to 38)
The "Hypatian Enigma" puzzle consists of 19 hexagonal blocks numbered 1 through 19.
The blocks are arranged in 5 rows. The first and last rows have 3 blocks, the second and fourth row has 4 ...
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