Mathematics, 26.10.2020 17:00 RoxanneDuartee
Here's a problem that occurs in automatic program analysis. For a set of variables x1; : : : ; xn, you are given some equality constraints, of the form xi = xj and some disequality constraints,
of the form xi 6= xj . Is it possible to satisfy all of them?
For instance, the constraints
x1 = x2; x2 = x3; x3 = x4; x1 6= x4
cannot be satis ed. Give an ef cient algorithm that takes as input mconstraints over n variables
and decides whether the constraints can be satisfied.
Answers: 2
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Here's a problem that occurs in automatic program analysis. For a set of variables x1; : : : ; xn, y...
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