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This commit is contained in:
lolabird 2023-12-21 04:30:37 -07:00
commit c6be7161a3
1 changed files with 7 additions and 6 deletions
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13
thinkcspy/Chapter-16-Exercises/crossings.py
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@ -1,4 +1,4 @@
def cross(bank1, boat, bank2): def cross(rounds, bank1, boat, bank2):
if bank1["Missionaries"] + bank1["Cannibals"] == 0 and boat["Missionaries"] + boat["Cannibals"] == 0: if bank1["Missionaries"] + bank1["Cannibals"] == 0 and boat["Missionaries"] + boat["Cannibals"] == 0:
return "Journey complete" return "Journey complete"
@ -6,11 +6,11 @@ def cross(bank1, boat, bank2):
if bank1["Missionaries"] - 1 >= bank1["Cannibals"]: if bank1["Missionaries"] - 1 >= bank1["Cannibals"]:
bank1["Missionaries"] -= 1 bank1["Missionaries"] -= 1
boat["Missionaries"] += 1 boat["Missionaries"] += 1
print(bank1, boat, bank2) print(rounds, bank1, boat, bank2)
elif bank1["Cannibals"] > 0: elif bank1["Cannibals"] > 0:
bank1["Cannibals"] -= 1 bank1["Cannibals"] -= 1
boat["Cannibals"] += 1 boat["Cannibals"] += 1
print(bank1, boat, bank2) print(rounds, bank1, boat, bank2)
else: else:
if boat["Cannibals"] >= 1 and bank2["Missionaries"] >= bank2["Cannibals"] + 1: if boat["Cannibals"] >= 1 and bank2["Missionaries"] >= bank2["Cannibals"] + 1:
@ -19,9 +19,10 @@ def cross(bank1, boat, bank2):
elif boat["Missionaries"] >= 1: elif boat["Missionaries"] >= 1:
bank2["Missionaries"] += 1 bank2["Missionaries"] += 1
boat["Missionaries"] -= 1 boat["Missionaries"] -= 1
print(bank1, boat, bank2) print(rounds, bank1, boat, bank2)
rounds += 1
cross(bank1, boat, bank2) cross(rounds, bank1, boat, bank2)
def main(): def main():
@ -29,6 +30,6 @@ def main():
bank2 = {"name": "B2", "Missionaries": 0, "Cannibals": 0} bank2 = {"name": "B2", "Missionaries": 0, "Cannibals": 0}
boat = {"name": "boat", "Missionaries": 0, "Cannibals": 0} boat = {"name": "boat", "Missionaries": 0, "Cannibals": 0}
return cross(bank1, boat, bank2) return cross(1, bank1, boat, bank2)
print(main()) print(main())