Lập Trình C/C++ - Map

#Code:

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

int main()
{
 /* Declare map */
 map  item;

 /* Map iterator */
 map  :: iterator p;

 /* Initialize map */
 item["Eraser"] = 0.50;

 /* Insert data */
 item.insert(pair("Pen", 2.50));
 item.insert(pair("Book", 200.55));
 item.insert(pair("Pencil", 1.00));
 item.insert(pair("Ex-Book", 250.10));

 string srch = "Book";

 /* Search data */
 p = item.find(srch);
 if(p != item.end())
  cout << "Price of the " << srch << " is " << p->second << endl;
 else
  cout << "Item not found!" << endl;

 /* Erase data */
 item.erase("Pencil");
 cout << "Item Deleted!" << endl;

 /* Display all elements */
 for (p = item.begin(); p != item.end(); p++) 
  cout << "Item: " << p->first << "\t"<< "Price: " << p->second << endl;

 return 0;
}

Posted in: C