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#include <algorithm>
#include <string>
#include <cstring>
#include <iterator>
#include <iostream>
using namespace std;
bool caseString(string const &first, string const &second)
{
return strcasecmp(first.c_str(), second.c_str()) < 0;
}
int main()
{
string range1[] = // 5 elements
{ "alpha", "bravo", "foxtrot", "hotel", "zulu" };
string range2[] = // 4 elements
{ "delta", "echo", "golf", "romeo" };
string result[5 + 4];
copy(result,
merge(range1, range1 + 5, range2, range2 + 4, result),
ostream_iterator<string>{ cout, " " });
cout << '\n';
string range3[] =
{ "ALPHA", "bravo", "foxtrot", "HOTEL", "ZULU" };
string range4[] = { "delta", "ECHO", "GOLF", "romeo" };
copy(result,
merge(range3, range3 + 5, range4, range4 + 4, result,
caseString),
ostream_iterator<string>{ cout, " " });
cout << '\n';
}
// Displays:
// alpha bravo delta echo foxtrot golf hotel romeo zulu
// ALPHA bravo delta ECHO foxtrot GOLF HOTEL romeo ZULU
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