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  1. %{
  2.     #include<stdio.h>
  3.     int v=0,c=0;
  4. %}
  5.  
  6. %%
  7. [ \t\n]+ ;
  8. [aeiouAEIOU]+ {v++;}
  9. [^aeiouAEIOU]+ {c++;}
  10. %%
  11. int main()
  12. {
  13.     printf("enter the string : \n");
  14.     yylex();
  15.     printf("no of vowels are %d \n" ,yyleng);
  16.     printf("no fo consonents : %d \n",yyleng);
  17. }
  18. int yywrap()
  19. {
  20.     return 1;
  21. }
Success #stdin #stdout #stderr 0.02s 6916KB
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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/5wsHh7/prog:21:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/6GxMNj
language:
Prolog (swi 7.6.4)
created:
1 year ago
visibility:
public

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