Using [] in Map : Map « Data Structure « C++






  1. C++
  2. Data Structure
  3. Map

Using [] in Map

Using [] in Map

#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));

  char ch;
  cout << "Enter key: ";
  cin >> ch;

  cout << "Its ASCII value is  " << mapObject[ ch ];

  return 0;
}








Related examples in the same category

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