#include #include #include using namespace std;void shownumbers(const char *n, multimap mp);int main(){ multimap phonemap; // Insert elements by using operator[]. phonemap.insert(pair("A", "B: 555-1111")); phonemap.insert(pair("C", "D: 555-1234")); phonemap.insert(pair("E", "F: 555-1122")); phonemap.insert(pair("J", "K: 314 555-2222")); phonemap.insert(pair("L", "M: 314 555-3322")); phonemap.insert(pair("O", "P: 666 555-9876")); phonemap.insert(pair("Q", "R: 555 555-1010")); phonemap.insert(pair("S", "T: 444 555-9999")); shownumbers("A", phonemap); shownumbers("C", phonemap); shownumbers("E", phonemap); int count = phonemap.erase("A"); cout << count << " elements have been removed.\n\n"; shownumbers("Ken", phonemap); return 0;}// Show all numbers for a given name.void shownumbers(const char *n, multimap mmp) { multimap::iterator itr; // Find the first matching key. itr = mmp.find(n); if(itr != mmp.end()) { cout << "the numbers for " << n << ": " << endl; do { cout << " " << itr->second << endl; ++itr; } while (itr != mmp.upper_bound(n));}else cout << "No entry for " << n << " found." << endl;}