27 lines
730 B
OpenEdge ABL
27 lines
730 B
OpenEdge ABL
%input :- [reachin1000]. % one way of reading input facts
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:- include(reachin1000). % 2nd way of reading input facts
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% Way 1
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%reach(X) :- source(X).
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%reach(Y) :- reach(X), edge(X,Y).
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% Way 2
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%reach(Y) :- reach(X), edge(X,Y).
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%reach(X) :- source(X).
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% Way 3
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%reach(X) :- source(X).
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%reach(Y) :- edge(X,Y), reach(X).
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% Way 4
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reach(Y) :- edge(X,Y), reach(X).
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reach(X) :- source(X).
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:- table reach/1.
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printReach :- reach(X), write(X), write(' '), fail.
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printReach.
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%timeReach :- cputime(X), input, printReach, cputime(Y), T is Y-X, write(T).
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%timeReach :- input, cputime(X), printReach, cputime(Y), T is Y-X, write(T).
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timeReach :- cputime(X), printReach, cputime(Y), T is Y-X, write(T).
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source(3).
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