c++ Lab5

#include <map>
#include <vector>
#include <iostream>
#include <string>
#include <time.h>
using namespace std;

typedef map<int, string> phonemap;
void createPhoneMap(phonemap &mapIn);//create the map for phone Keyboard
void PrintAllString(string phoneIn,phonemap mapIn, int size); //print out all the combinations
void PrintMap(phonemap mapIn); //print out the data in  mapIn


void recurseLoop()
{

}


phonemap MyMap; //global variable
string phonenum;//global string contains user input phone number

int main()
{
    int size;

    cout<<"Please input the phone number: ";
    cin>>phonenum;

    size = phonenum.size();

    cout<<endl;
    createPhoneMap(MyMap);
    PrintMap(MyMap);
    cout<<endl;
    PrintAllString(phonenum, MyMap, size);

    system("pause");
    return 0;
}

void createPhoneMap(phonemap &mapIn)
{
    for(int x = 0; x<10; x++)
    {
        if(x == 0 || x == 1)
        {
            string input = "";
            input.push_back(x + 42);
            mapIn.insert(phonemap::value_type(x, input));
        }
        else if(x > 1 && x < 9)
        {
            string input = "";
            for(int y=0; y<3; y++)
            {
                input.push_back((x - 2) * 3 + 65 + y);
            }
            mapIn.insert(phonemap::value_type(x, input));
        }
        else //x == 9
        {
            mapIn.insert(phonemap::value_type(x, "VWXYZ"));
        }
    }
    return;
}

void PrintAllString(string phoneIn,phonemap mapIn, int size)
{
    phonemap::iterator finder;
    vector<string> sout(size);

    //remove any non-digit char from the number
    for(int a=0; a<size; a++)
    {
        if(!isdigit(phoneIn.at(a)))
        {
            phoneIn.erase(a, 1);
            size--;
            a--;
        }
    }

    for(int x=0; x<size; x++)
    {
        finder = mapIn.find(phoneIn.at(x) - 48);
        if(finder != mapIn.end())
        {
            sout[x] = finder->second;
            //cout << finder->second << endl;
        }
        else
        {
            cout << "Not found" << endl;
        }
    }

    recurseLoop();

    //working part for numbers of length 3

    /*for(int i = 0; i < sout[0].size(); i++)
    {
        for(int j = 0; j < sout[1].size(); j++)
        {
            for(int k = 0; k < sout[2].size(); k++)
            {
                cout << sout[0][i] << sout[1][j] << sout[2][k] << endl;
            }
        }
    }*/

    return;
}

void PrintMap(phonemap mapIn)
{
    cout << "The phone keyboard is: " << endl;
    for(phonemap::iterator i = mapIn.begin(); i != mapIn.end(); i++)
    {
        cout << "<" << i->first << "," << i->second << ">" << endl;
    }
    return;
}