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#include <algorithm>
#include <iostream>
#include <string>
#include <iterator>
using namespace std;
void show(string const *begin, string const *end)
{
copy(begin, end, ostream_iterator<string>(cout, " "));
cout << '\n';
}
int main()
{
string first[] = { "alpha", "bravo", "charley" };
string second[] = { "echo", "foxtrot", "golf" };
cout << "Before:\n";
show(first, end(first));
show(second, end(second));
for (size_t idx = 0; idx < size(first); ++idx)
swap(first[idx], second[idx]);
cout << "After:\n";
show(first, end(first));
show(second, end(second));
swap_ranges(first, end(first), second);
cout << "After swap_ranges:\n";
show(first, end(first));
show(second, end(second));
}
// Displays:
// Before:
// alpha bravo charley
// echo foxtrot golf
// After:
// echo foxtrot golf
// alpha bravo charley
// After swap_ranges:
// alpha bravo charley
// echo foxtrot golf
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