/in/lab5.c: In function 'main':
/in/lab5.c:99:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 for (int j=0;j<strlen(data[i]);++j){
               ^
/in/lab5.c:59:6: warning: unused variable 'ptop2' [-Wunused-variable]
 int* ptop2=&top2;
      ^~~~~
/in/lab5.c:272:14: warning: 'jj' may be used uninitialized in this function [-Wmaybe-uninitialized]
 if(data[i][jj-1]!=';'){printf("%lf\n",calcStack[0]);}
            ~~^~