// exceptdemo.cpp - shows a bit of exception handling
// cmc, 4/6/2011

#include <iostream>
#include <string>
using namespace std;

// udiv returns unsigned quotient of same-signed n and d
// throws string if d is 0
// throws different string if n and d do not have the same sign
unsigned int udiv(int n, int d) {

    if ( d == 0 )
        throw string("d is 0");

    if ( n * d < 0 )
        throw string("n and d not same sign");

    return n/d;
}

int main() {

    int n, d;
    cout << "I divide two integers of the same sign, n and d (with d != 0)";
    cout << endl << "Enter n and d: ";
    cin >> n >> d;

    try {
        unsigned int result = udiv(n, d);
        cout << "n/d is " << result << endl;
    }
    catch (string e) {
        cerr << "Exception: " << e << endl;
    }

    return 0;
}