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  1. %{
  2.   #include<stdio.h>
  3.   int lc=0,sc=0,tc=0,rc=0,rc2=0;
  4.  
  5. %}
  6. %%
  7. [\n] {lc++;}
  8. [\t] {tc++:}
  9. [" "]{ sc++;}
  10. . {rc++;}
  11. [^\n" "\t]{rc2++;}
  12. %%
  13. yywrap(){
  14.   return 1;
  15. }
  16. int main(){
  17.   printf("enter sentenxe");
  18.   yylex();
  19.   printf("lc is %d\n",lc);
  20.   printf("sc is %d\n",sc);
  21.   printf("tc is %d\n",tc);
  22.   printf("rc is %d %d\n",rc,rc2);
  23. }
Success #stdin #stdout #stderr 0.03s 7024KB
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stdin
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rdgvdr
d
stdout
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Standard output is empty
stderr
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ERROR: /home/6qcgHu/prog:2:3: Syntax error: Operator expected
ERROR: /home/6qcgHu/prog:23:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ?    Call: (3) program ? EOF: exit
https://ideone.com/s2O8Cy
dxvd
language:
Prolog (swi 7.6.4)
created:
6 days ago
visibility:
public

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