layer&rsquo;s location is initially 0
(indexing the first array element: the field);
change the value of <i>locationOfPlayer</i> to move to a different location
(as is done in line 43).
</li>
<li>Line 15, 31:
because <i>numberOfLocations</i> is an
<a href="http://en.wikipedia.org/wiki/Signedness">unsigned</a> integer,
we use the same type to declare variables <i>locationOfPlayer</i> and <i>i</i>.
</li>
<li>Line 44:
after the player has moved, the new location is immediately reported back,
as if the player e