The program has the following output:
1 2 7 7 6 3 9 5 7 7 7 3 6
three consecutive elements with value 7 start with 9. element
first four consecutive odd elements are: 3 9 5 7
There is a nasty problem with the second form of search_n(). Consider the second call of
search_n():
pos = search_n (coll.begin(), coll.end(), // range
4, // count
0, // value