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  1. %{
  2. 	int vow_count=0;
  3. 	int const_count =0;
  4. %}
  5.  
  6. %%
  7. [aeiouAEIOU] {vow_count++;}
  8. [a-zA-Z] {const_count++;}
  9. %%
  10. int yywrap(){}
  11. int main()
  12. {
  13. 	printf("Enter the string of vowels and consonants:");
  14. 	yylex();
  15. 	printf("Number of vowels are: %d\n", vow_count);
  16. 	printf("Number of consonants are: %d\n", const_count);
  17. 	return 0;
  18. } 
  19.  
Success #stdin #stdout #stderr 0.02s 6976KB
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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/oS9dNW/prog:18:2: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/bGFBOt
language:
Prolog (swi 7.6.4)
created:
2 days ago
visibility:
public

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