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  1. %{
  2. #include <stdio.h>
  3.  
  4. int vowels = 0;
  5. int consonants = 0;
  6. %}
  7.  
  8. %%
  9. [AaEeIiOoUu]  {vowels++;}
  10. [A-Za-z]     {consonants++;}
  11. .            {}
  12. \n           {printf("Vowels: %d\nConsonants: %d\n", vowels, consonants); return 0;}
  13. %%
  14.  
  15. int main() {
  16.     yylex();
  17.     return 0;
  18. }
  19.  
Success #stdin #stdout #stderr 0.02s 6780KB
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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/TnAYHB/prog:2:1: Syntax error: Operator expected
ERROR: /home/TnAYHB/prog:18:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/UvRoSv
language:
Prolog (swi 7.6.4)
created:
326 days ago
visibility:
public

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