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YAPC::EU 2018 Glasgow Update!

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Ingy döt Net 2018-08-17 15:15:24 +01:00
parent 22f33d4004
commit 4e2d22a71d
1170 changed files with 15042 additions and 3047 deletions
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Task/Zebra-puzzle/Python/zebra-puzzle-4.py Normal file
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from constraint import *
problem = Problem()
Nation = ["Englishman", "Spaniard", "Japanese", "Ukrainian", "Norwegian" ]
Color = ["Red", "Green", "White", "Yellow", "Blue" ]
Smoke = ["Oldgold", "Kools", "Chesterfield", "Luckystrike", "Parliament"]
Pet = ["Dog", "Snails", "Fox", "Horse", "Zebra" ]
Drink = ["Tea", "Coffee", "Milk", "Orangejuice", "Water" ]
# add variables: house numbers 1 to 5
problem.addVariables(Nation, range(1,5+1))
problem.addVariables(Color, range(1,5+1))
problem.addVariables(Smoke, range(1,5+1))
problem.addVariables(Pet, range(1,5+1))
problem.addVariables(Drink, range(1,5+1))
# add constraint: the values in each list are exclusive
problem.addConstraint(AllDifferentConstraint(), Nation)
problem.addConstraint(AllDifferentConstraint(), Color)
problem.addConstraint(AllDifferentConstraint(), Smoke)
problem.addConstraint(AllDifferentConstraint(), Pet)
problem.addConstraint(AllDifferentConstraint(), Drink)
# add constraint: actual constraints
problem.addConstraint(lambda a, b: a == b, ["Englishman", "Red" ])
problem.addConstraint(lambda a, b: a == b, ["Spaniard", "Dog" ])
problem.addConstraint(lambda a, b: a == b, ["Green", "Coffee" ])
problem.addConstraint(lambda a, b: a == b, ["Ukrainian", "Tea" ])
problem.addConstraint(lambda a, b: a == b + 1, ["Green", "White" ])
problem.addConstraint(lambda a, b: a == b, ["Oldgold", "Snails" ])
problem.addConstraint(lambda a, b: a == b, ["Yellow", "Kools" ])
problem.addConstraint(lambda a: a == 3, ["Milk" ])
problem.addConstraint(lambda a: a == 1, ["Norwegian" ])
problem.addConstraint(lambda a, b: a == b - 1 or a == b + 1, ["Chesterfield", "Fox" ])
problem.addConstraint(lambda a, b: a == b - 1 or a == b + 1, ["Kools", "Horse" ])
problem.addConstraint(lambda a, b: a == b, ["Luckystrike", "Orangejuice"])
problem.addConstraint(lambda a, b: a == b, ["Japanese", "Parliament" ])
problem.addConstraint(lambda a, b: a == b - 1 or a == b + 1, ["Norwegian", "Blue" ])
# get solution
sol = problem.getSolution()
# print the answers
nation = ["Nation" if i == 0 else "" for i in range(6)]
color = ["Color" if i == 0 else "" for i in range(6)]
smoke = ["Smoke" if i == 0 else "" for i in range(6)]
pet = ["Pet" if i == 0 else "" for i in range(6)]
drink = ["Drink" if i == 0 else "" for i in range(6)]
for n in Nation:
nation[sol[n]] = n
for n in Color:
color[sol[n]] = n
for n in Smoke:
smoke[sol[n]] = n
for n in Pet:
pet[sol[n]] = n
for n in Drink:
drink[sol[n]] = n
for d in [nation, color, smoke, pet, drink]:
print("%6s: %14s%14s%14s%14s%14s" % (d[0], d[1], d[2], d[3], d[4], d[5]))