Quiz 12/13, C++ (gcc)

Quiz 12/13

#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <unordered_map>
#include <iomanip>

using namespace std;

int main()
{

// be of double type
    unordered_map<string, int> myFirstHash;

// string of 1 as key for value of 1
    myFirstHash["1"] = 1;     // ITEM 1 of quiz
 myFirstHash["2"] = 2;
 myFirstHash["3"] = 3;
 myFirstHash["4"] = 4;

// NOTE below code should be looped, but was having trouble with converting to string so brute force 
// method was used...
    string key =  "1";
auto hashPointer = myFirstHash.find(key);
    if (hashPointer == myFirstHash.end() ) {
		cout << key << " not found in hash table \n" << endl;  // ITEM 3 of quiz
        }
    else 
    {
     cout << key << " found in hash table \n "   ;  // ITEM 2 of quiz
    }

key =  "2";
hashPointer = myFirstHash.find(key);
    if (hashPointer == myFirstHash.end() ) {
		cout << key << " not found in hash table \n" << endl;
        }
    else 
    {
     cout << key << " found in hash table \n "   ;
    }
    
     key =  "3";
hashPointer = myFirstHash.find(key);
    if (hashPointer == myFirstHash.end() ) {
		cout << key << " not found in hash table \n" << endl;
        }
    else 
    {
     cout << key << " found in hash table \n "   ;
    }
    
         key =  "4";
hashPointer = myFirstHash.find(key);
    if (hashPointer == myFirstHash.end() ) {
		cout << key << " not found in hash table \n" << endl;  
        }
    else 
    {
     cout << key << " found in hash table \n "   ;
    }
    
    
     // ITEM 4 of quiz
    cout << " \n Items in hash below: \n"  ;
    for (auto hashTablePtr = myFirstHash.begin(); hashTablePtr != myFirstHash.end(); hashTablePtr++)
    {
        // itr works as a pointer to pair<string, double>
        // type itr->first stores the key part  and
        // itr->second stroes the value part
        cout << hashTablePtr->first << "  " << hashTablePtr->second << endl;
     }
    
    
    
}


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