#include <set>
#include <iostream>
#include <string>
using namespace std;
int main()
{
string mystring = "Hello World this is my string";
string temp = "";
set<string> myset;
for (unsigned int i = 0; i < mystring.length(); i++)
{
if (mystring.at(i) == ' ')
{
myset.insert(temp);
temp = "";
}
else
{
temp.push_back(mystring.at(i));
}
}
myset.insert(temp);
return 0;
}
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