
Hints 195
Hint 1: During the early days of the railroads, they had a problem with trains
hitting each other where the tracks crossed. So they passed a law:
When two trains approach each other at a place where the rails
cross, both shall stop and remain stopped until the other one has
proceeded it.
(Answer 24.)
Hint 2: UNIX uses
<line-feed> to end lines. Microsoft Windows uses <carriage-
return><line-feed>
. (Answer 5.)
Hint 3: The statement:
if (n2 =! 0)
is not doing its job unless its job is to conf ...