#include <stdio.h>

#include "stdafx.h"

struct BigNumber {

private:

    unsigned int low;

    unsigned int high;

public:

    BigNumber(int x, int y)

    {

        this->low = x;

        this->high = y;

    }

    BigNumber operator ++();

    void operator =(const BigNumber &n);

    bool operator >(const BigNumber &n);

    bool operator ==(const BigNumber &n);

    void print();

};

BigNumber BigNumber::operator ++()

{

    if(this->low == 0xFFFFFFFF) {

        this->low = 0;

        this->high++;

    } else

        this->low++;

    return *this;

}

void BigNumber::operator =(const BigNumber &n)

{    

    this->low = n.low;

    this->high = n.high;

}

bool BigNumber::operator >(const BigNumber &n)

{

    if (this->high > n.high)

        return true;

    else if (this->high < n.high)

        return false;

    else if (this->low > n.low)

        return true;

    else if (this->low <= n.low)

        return false;

}

bool BigNumber::operator ==(const BigNumber &n)

{

    if (this->high == n.high && this->low == n.low)

        return true;

    else

        return false;

}

void BigNumber::print()

{

    printf("low: %u, high: %u\n", this->low, this->high);

}

    

int main(int argc, char* argv[])

{

    //BigNumber n(1, 2);

    BigNumber n(0xFFFFFFFF, 2);

    n.print();

    n++;

    n.print();

    BigNumber n1(1, 2);

    BigNumber n2 = n1;

    n2.print();

    printf("n1 %s n2\n", n1 == n2 ? "==" : "<");

    n2++;

    printf("n1 %c n2\n", n1 > n2 ? '>' : '<');

    getchar();

    return 0;

}