Wrong Answer
foo.cc: In function ‘int main()’:
foo.cc:28:36: warning: ‘price’ may be used uninitialized [-Wmaybe-uninitialized]
28 | price=6+ceil((price-32)/20);
| ~~~~~~^~~~
foo.cc:17:16: note: ‘price’ was declared here
17 | int km,price;
| ^~~~~
