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#include <algorithm>
#include <iostream>
#include <string>
#include <cstring>
#include <iterator>
using namespace std;
bool casestring(string const &first, string const &second)
{
return strcasecmp(first.c_str(), second.c_str()) == 0;
}
int main()
{
string words[] = {"alpha", "alpha", "Alpha", "papa", "quebec" };
size_t const size = sizeof(words) / sizeof(string);
string *removed = unique(words, words + size);
copy(words, removed, ostream_iterator<string>(cout, " "));
cout << '\n'
<< "Trailing elements are:\n";
copy(removed, words + size, ostream_iterator<string>(cout, " "));
cout << '\n';
removed = unique(words, words + size, casestring);
copy(words, removed, ostream_iterator<string>(cout, " "));
cout << '\n'
<< "Trailing elements are:\n";
copy(removed, words + size, ostream_iterator<string>(cout, " "));
cout << '\n';
}
/*
Displays:
alpha Alpha papa quebec
Trailing elements are:
quebec
alpha papa quebec
Trailing elements are:
quebec quebec
*/
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