Portability | portable |
---|---|

Stability | experimental |

Maintainer | erkokl@gmail.com |

Puzzle: Spend exactly 100 dollars and buy exactly 100 animals. Dogs cost 15 dollars, cats cost 1 dollar, and mice cost 25 cents each. You have to buy at least one of each. How many of each should you buy?

# Documentation

Use 16-bit words to represent the counts, much larger than we actually need, but no harm.

puzzle :: Count -> Count -> Count -> SBoolSource

Codes the puzzle statement, more or less directly using SBV.

solve :: IO AllSatResultSource

Prints the only solution:

`>>>`

Only one solution found: dog = 3 :: SWord16 cat = 41 :: SWord16 mouse = 56 :: SWord16`solve`