Use while to loop through a map : map iterator « Map Multimap « C++

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C++ » Map Multimap » map iterator 




Use while to loop through a map
  
#include <map>
#include <iostream>
#include <string>

using namespace std;

typedef map<string, int> STRING2INT;

int main(void)
{
    STRING2INT DateMap;
    STRING2INT::iterator DateIterator;
    string DateBuffer;

    DateMap["January"1;
    DateMap["February"2;
    DateMap["March"3;
    DateMap["April"4;
    DateMap["May"5;
    DateMap["June"6;
    DateMap["July"7;
    DateMap["August"8;
    DateMap["September"9;
    DateMap["October"10;
    DateMap["November"11;
    DateMap["December"12;

    DateIterator = DateMap.end();
    while(DateIterator == DateMap.end())
     {
        cout << "Enter a Month :";
        cin >> DateBuffer;
        if((DateIterator = DateMap.find(DateBuffer)) != DateMap.end())
            cout << (*DateIterator).first << " is Month Number "
                 << (*DateIterator).second << endl;
        else
            cout << "Enter a Valid Month (example: March)" << endl;
     }

}
  
    
  














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