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C++ Programming Examples

#include<iostream>
#include<map>
using namespace std;

int main() {

	/* Declare multimap */
	multimap <string, string> contact;

	/* Multimap iterator */
	multimap <string, string> :: iterator p;

	/* Insert data */
	contact.insert(pair<string, string>("Jonh", "5500-1100-1212"));
	contact.insert(pair<string, string>("Sam", "1222-5555-6666"));
	contact.insert(pair<string, string>("Jonh", "4441-4545-6565"));
	contact.insert(pair<string, string>("James", "6532-5544-8787"));
	contact.insert(pair<string, string>("Ram", "9475-987-2465"));

	string srch = "Jonh";

	/* Search data */
	p = contact.find(srch);
	if(p != contact.end())
		cout << "Contact no of " << srch << " is " << p->second << endl;
	else
		cout << "Contact not found!" << endl;

	/* Erase data */
	contact.erase("Jonh");
	cout << "Contact Deleted!" << endl;

	/* Display all elements */
	for (p = contact.begin(); p != contact.end(); p++) 
		cout << "Name: " << p->first << "\t"<< "Phone No: " << p->second << endl;

	return 0;
}


          /****** Output ******/
          

Contact no of Jonh is 5500-1100-1212


Contact Deleted!


Name: James Phone No: 6532-5544-8787


Name: Ram Phone No: 9475-987-2465


Name: Sam Phone No: 1222-5555-6666

Learn more about Multimap in C++