%{ 
     #include <stdio.h>
     int pi=0,ni=0,pf=0,nf=0;
 %}
 %%
 [-][0-9]+ {ni++;}
 [+]?[0-9]+ {pi++;}
 [-][0-9]*\.[0-9]+ {nf++;}
 [+]?[0-9]*\.[0-9]+ {pf++;}
 %%
 
void main(int argc,char *argv[])
 {
 if (argc!=2)
 { 
  printf("usage : ./a.out in.txt \n");
  exit(0);
 }
 yyin=fopen(argv[1],"r");
 yylex();
 printf("no. of positive integer %d \n",pi);
 printf("no. of negative integer %d \n",ni);
 printf("no. of positive fraction %d \n",pf);
 printf("no. of negative fraction %d \n",nf);
 }
  int yywrap()
 { 
 return 1;
 }

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MSwyLDMsNCw1LDYsNyw4LDk=

1,2,3,4,5,6,7,8,9