#include <iostream>
#include <string>
#include <iostream>
#include <sstream>
#include <vector>
#include <iterator>
 
std::vector<std::string> tokenize(const std::string& s)
{
    using iter = std::istream_iterator<std::string>;
 
    std::istringstream is(s);
    return std::vector<std::string>(iter(is), iter());
}
 
int main()
{
    auto tokens = tokenize("test apple");
 
    for (auto& token : tokens)
        std::cout << '"' << token << "\"\n";
}

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