It says "22 lines of C", not "22 statements of C". For this type of exercise it is assumed that some readability is going to be lost... just look at Perl golf

It says "22 lines of C", not "22 statements of C". For this type of exercise it is assumed that some readability is going to be lost... just look at Perl golf competition. These tend to be written in a single line and it is not always given you are going to even be able to tell where statements start.