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  1. %{ 
  2. #include<stdio.h> 
  3. int i; 
  4. %} 
  5.  
  6. %% 
  7.  
  8. [0-9]+     {i=atoi(yytext); 
  9.           if(i%2==0)  
  10.                printf("Even"); 
  11.           else
  12.          printf("Odd");} 
  13. %% 
  14.  
  15. int yywrap(){} 
  16.  
  17. /* Driver code */
  18. int main() 
  19. { 
  20.  
  21.     yylex(); 
  22.     return 0; 
  23. }
Success #stdin #stdout #stderr 0.03s 6864KB
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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/QzsBeZ/prog:23:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/JxxNiX
language:
Prolog (swi 7.6.4)
created:
4 days ago
visibility:
public

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