#include <iostream>
#include <string>
#include <unordered_map>
#include <unordered_set>

int main() {
	std::unordered_map<int, std::unordered_set<std::string>> my_map;
	for (int i=0; i<100; i++)
		my_map.emplace(i, std::unordered_set<std::string>{"foo", "bar"});
}