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#include <algorithm>
#include <string>
#include <iterator>
#include <iostream>
using namespace std;
bool twice(size_t first, size_t second)
{
return first == (second << 1);
}
int main()
{
string sarr[] =
{
"alpha", "bravo", "charley", "delta", "echo",
"foxtrot", "golf", "hotel",
"foxtrot", "golf", "hotel",
"india", "juliet", "kilo"
};
string search[] =
{
"foxtrot",
"golf",
"hotel"
};
auto past = end(sarr);
copy
(
find_end(sarr, past, search, search + 3), // sequence starting
past, ostream_iterator<string>{ cout, " " } // at 2nd 'foxtrot'
);
cout << '\n';
size_t range[] = { 2, 4, 6, 8, 10, 4, 6, 8, 10 };
size_t nrs[] = { 2, 3, 4 };
copy // sequence of values starting at last sequence
( // of range[] that are twice the values in nrs[]
find_end(range, range + 9, nrs, nrs + 3, twice),
range + 9, ostream_iterator<size_t>{ cout, " " }
);
cout << '\n';
}
// Displays:
// foxtrot golf hotel india juliet kilo
// 4 6 8 10
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