Question

How to print all values for specific key of multimap in C++

Answer 1

#include <iostream>  
#include <map>
#include <string>

using std::multimap;
using std::string;
using std::cout;
using std::endl;

int main()
{
	multimap<string, string> mm;

	mm.insert({ { "dog", "animal" },
	            { "cat", "animal" },
				{ "programmer", "smart animal" },
				{ "dog", "loyal" } });

	string word("dog");
	cout << word << ": " << endl;
	for (auto i = mm.lower_bound(word); i != mm.upper_bound(word); i++) {
		cout << "   " << i->second << endl;
	}

	return 0;
}

/*
run:

dog:
   animal
   loyal

*/

 

70+ SQL courses for beginners and professionals