Question: - (from DPV) Here's a problem that occurs in automatic program analysis. For a set of variables X1, X2, ..., In you are given some

- (from DPV) Here's a problem that occurs in automatic program

- (from DPV) Here's a problem that occurs in automatic program analysis. For a set of variables X1, X2, ..., In you are given some equality constraints of the form Xi = x;" and some disequality constraints of the form Li + x;. Is it possible to satisfy all of them? For example, the constraints X 1 = X2, X2 = X3, X3 = 84, X1 + x4 cannot be satisfied. Give an algorithm that takes as input m constraints over n variables and decides whether the constraints can be satisfied

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