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  1. main:-
  2. prod(X,N,R):- R is ((X/(2*N))*(X/(2*(N-1)))).
  3. read(X),
  4. read(N),
  5. write(R)
  6. halt .
  7. - main.
Success #stdin #stdout #stderr 0.02s 6464KB
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stdin
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main
1
2
stdout
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Standard output is empty
stderr
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ERROR: /home/HpyskQ/prog:1:6: Syntax error: Operator priority clash
ERROR: /home/HpyskQ/prog:5:8: Syntax error: Operator expected
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? 
	Exception term: error(existence_error(procedure,program/0),context('$toplevel':'$runtoplevel'/0,_G861))
	       Message: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/XLWYbk
language:
Prolog (swi 7.6.4)
created:
6 years ago
visibility:
public

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