Cycle through a map using an iterator.

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

int main()
{
  map<char, int> mapObject;
  int i;

  for(i = 0; i < 26; i++)
    mapObject.insert(pair<char, int>('A' + i, 65 + i));

  map<char, int>::iterator p;
  
  for(p = mapObject.begin(); p != mapObject.end(); p++) {
    cout << p->first << " has ASCII value of ";
    cout << p->second << endl;
  }

  return 0;
}

1.	A map: insert pair, find, end
2.	A map of opposites.
3.	A map of word opposites, using strings.
4.	Cycle through a map in reverse.
5.	Using [] in Map
6.	[] automatically inserts elements.
7.	Maps can store only unique keys.
8.	Use a map to create a phone directory: string class
9.	Use the greater function object in Map
10.	Demonstrating a multimap.
11.	Use a multimap to create the phone directory.
12.	A simple map: char and int
13.	Use a map of strings to create a phone directory.
14.	File and map

Cycle through a map using an iterator. : Map « Data Structure « C++

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