test_set.cc  :  fill a set and look for its elements
test_rev.cc  :  fill a set and look for its elements, with reverse order
test_map.cc  :  fill a map and look for its elements

To compile:

c++ -Wall -o test_set test_set.cc
c++ -Wall -o test_rev test_rev.cc
c++ -Wall -o test_map test_map.cc
