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  1. %{
  2.   #include<stdio.h>
  3.   int lc = 0 , sc = 0 , tc= 0 , oc = 0;
  4. %}
  5. %%
  6. \n {lc++;}
  7. %%
  8.  
  9. int main(){
  10.   printf("enter input:\n");
  11.   yylex();
  12.   printf("lines : %d",lc);
  13.   return 0;
  14.  
  15. }
Success #stdin #stdout #stderr 0.04s 6912KB
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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/5DYxGq/prog:15:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/yr8VG7
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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