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// unordered_multiset::count
#include <iostream>
#include <string>
#include <unordered_set>
int main ()
{
std::unordered_multiset<std::string> myums =
{"cow","pig","chicken","pig","pig","cow"};
for (auto& x: {"cow","sheep","pig"}) {
std::cout << x << ": " << myums.count(x) << std::endl;
}
return 0;
}
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