Tutorial 2 Section A part c

//http://pastebin.com/u/TheWhiteFang
//Tutorial 2 Section A part C
#include <iostream>

using namespace std;

int main()
{
    int value = 0;
    while (1){
        cout << "Enter a number between 1 & 20: ";

        while (!(cin >> value)){
            cout << "Ending program. only integer values between 1 and 20 accepted" << endl;
            cin.clear(); //clear internal error flags
            cin.ignore(numeric_limits<streamsize>::max(), '\n');
            return 0;

        }
        if (value > 0 && value <= 20){
            int i = 0; int j = 0;

            for (i = 0; i < value; i++)
            {
                for (j = 0; j < value; j++)
                {
                    if (i == 0 || i == (value - 1) || j == 0 || j == (value - 1)) // ||- logical or  //if j is first or last value, print * //if checks for true false in statement
                    {
                        cout << "* ";
                    }

                    else //this will happen if it is either not 1st value or last value
                    {
                        cout << "  ";
                    }

                }

                cout << endl;
            }
        }
        else{
            cout << "Ending program. Only integer values between 1 to 20 are accepted ";
            cout << endl; //cout << "\n"
            return 0; //this will end the program if wrong input is given
        }
    }
    return 0;
}