/in/foo.cc: In function 'void calc()':
/in/foo.cc:176:23: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
  printf("%d\n", MinDis);
                       ^
/in/foo.cc:147:6: warning: unused variable 'diameterTop' [-Wunused-variable]
  int diameterTop = node;
      ^~~~~~~~~~~