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  1. %{
  2. #include <stdio.h>
  3. int v = 0;
  4. int c = 0;
  5. %}
  6.  
  7. %%
  8. [ \t\n] ;
  9.  
  10. [aA] { v++; }
  11. [eE] { v++; }
  12. [iI] { v++; }
  13. [oO] { v++; }
  14. [uU] { v++; }
  15.  
  16. [^aeiouAEIOU \t\n] { c++; }
  17. %%
  18.  
  19. int main()
  20. {
  21.     printf("Enter the input string:\n");
  22.     yylex();
  23.     printf("Number of vowels: %d\n", v);
  24.     printf("Number of consonants: %d\n", c);
  25.     return 0;
  26. }
  27.  
  28. int yywrap()
  29. {
  30.     return 1;
  31. }
  32.  
Success #stdin #stdout #stderr 0.03s 6844KB
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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/4ghV2e/prog:31:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/mehINO
language:
Prolog (swi 7.6.4)
created:
1 year ago
visibility:
public

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