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feat: q2

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snsd0805 2024-04-23 01:05:27 +08:00
parent 740994568c
commit 5267fb4808
Signed by: snsd0805
GPG Key ID: 569349933C77A854
1 changed files with 5 additions and 3 deletions
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8
logicPlan.py
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@ -177,7 +177,7 @@ def atLeastOne(literals: List[Expr]) -> Expr:
True
"""
"*** BEGIN YOUR CODE HERE ***"
util.raiseNotDefined()
return logic.disjoin(literals)
"*** END YOUR CODE HERE ***"
@ -189,7 +189,9 @@ def atMostOne(literals: List[Expr]) -> Expr:
itertools.combinations may be useful here.
"""
"*** BEGIN YOUR CODE HERE ***"
util.raiseNotDefined()
return logic.conjoin([ (~pair[0] | ~pair[1]) for pair in itertools.combinations(literals, 2)])
"*** END YOUR CODE HERE ***"
@ -200,7 +202,7 @@ def exactlyOne(literals: List[Expr]) -> Expr:
the expressions in the list is true.
"""
"*** BEGIN YOUR CODE HERE ***"
util.raiseNotDefined()
return atLeastOne(literals) & atMostOne(literals)
"*** END YOUR CODE HERE ***"
#______________________________________________________________________________