text: #include<stdio.h>
  
  int singleStatement() {
      FILE *f = fopen("singleStatement.dot", "w");
  	fprintf(f, "Digraph G{\n");
  
      int n_const = 0;
      int ne = 0;
      int n_a = 0;
  
      fprintf(f, "const%d [label=10, att1=const];\n", n_const);
  	fprintf(f, "\"a_%d\" [label=\"a\", att1=var, att2=loc, att3=int ];\n", ++n_a);
  	ne++;
  	fprintf(f, "const%d->\"a_%d\"   [label=%d, ord=%d];\n", n_const, n_a, ne, ne);
      int a = 10;
  
      fprintf(f, "}");
      fclose(f);
      return a;
  }
  
  int main() {
      int a = singleStatement();
      printf("a=%d",a);
      return 0;
  }
  
  