This program illustrates reverse iterators for maps, as well as
the member functions rbegin() and rend().
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First we use a reverse iterator to display the map contents
in descending key order.
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E has an ASCII code of 69.
D has an ASCII code of 68.
C has an ASCII code of 67.
B has an ASCII code of 66.
A has an ASCII code of 65.
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Then we use a reverse iterator to display the map contents
in ascending key order.
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A has an ASCII code of 65.
B has an ASCII code of 66.
C has an ASCII code of 67.
D has an ASCII code of 68.
E has an ASCII code of 69.
Press Enter to continue ...