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  1. /% Lex Program to check whether 
  2. 	- input number is odd or even. %/ 
  3.  
  4. % { 
  5. int i; 
  6. % } 
  7.  
  8. %% 
  9. [0-9]+ {i = atoi(yytext); 
  10.  
  11. if(i%2==0) 
  12. printf("Input Number is Even"); 
  13.  
  14. else
  15. printf("Input Number is Odd"); 
  16. }; 
  17.  
  18. %% 
  19. int main() 
  20. { 
  21. 	yylex(); 
  22. 	return 1; 
  23. } 
  24.  
  25.  
Success #stdin #stdout #stderr 0.02s 6972KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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ERROR: /home/ndZtBk/prog:2:8: Syntax error: Operator expected
ERROR: /home/ndZtBk/prog:24:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/xK7FeQ
language:
Prolog (swi 7.6.4)
created:
2 years ago
visibility:
public

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