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// unordered_multiset::reserve
#include <iostream>
#include <string>
#include <unordered_set>
int main ()
{
std::unordered_multiset<std::string> myums;
myums.reserve(5);
myums.insert("klingon");
myums.insert("human");
myums.insert("vulcan");
myums.insert("klingon");
myums.insert("klingon");
std::cout << "myums contains:";
for (const std::string& x: myums) std::cout << " " << x;
std::cout << std::endl;
return 0;
}
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