public static NumarMare operator *(NumarMare a, NumarMare b)
{
NumarMare c = new NumarMare(a.bigNum.Length + b.bigNum.Length);
NumarMare[] intermediar = new NumarMare[b.bigNum.Length];
for (int i = 0; i < b.length; i++)
{
NumarMare d = new NumarMare(a.bigNum.Length + b.bigNum.Length);;
int produs, rest, cat = 0;
for (int j = 0; j < a.length; j++)
{
produs = b.bigNum[i] * a.bigNum[j] + cat;
rest = produs % 10;
cat = produs / 10;
d.bigNum[j + i] = rest;
}
if (cat > 0)
{
d.bigNum[a.length + i] = cat;
}
intermediar[i] = d;
}
for (int i = 0; i < intermediar.Length; i++)
{
c = c + intermediar[i];
}
return(c.RemoveZeros());
}
public static NumarMare operator +(NumarMare a, NumarMare b)
{
int min = Math.Min(a.bigNum.Length, b.bigNum.Length);
int max = Math.Max(a.bigNum.Length, b.bigNum.Length);
NumarMare c = new NumarMare(max + 1);
int k = 0;
for (int i = 0; i < min; i++)
{
c.bigNum[i] = a.bigNum[i] + b.bigNum[i] + k;
if (c.bigNum[i] >= 10)
{
k = 1;
c.bigNum[i] -= 10;
}
else
{
k = 0;
}
}
NumarMare d = new NumarMare();
if (a.bigNum.Length > b.bigNum.Length)
{
d = a;
}
else
{
d = b;
}
for (int i = min; i < max; i++)
{
c.bigNum[i] = d.bigNum[i] + k;
if (c.bigNum[i] >= 10)
{
k = 1;
c.bigNum[i] -= 10;
}
else
{
k = 0;
}
}
if (k == 1)
{
c.bigNum[max] = 1;
}
return(c.RemoveZeros());
}