public static Polinom operator *(Polinom a, Polinom b)
{
if (a is null || b is null)
{
throw new ArgumentNullException();
}
Polinom c = new Polinom();
int key = 0, val = 0;
foreach (var itemA in a.Data)
{
foreach (var itemB in b.Data)
{
key = itemA.Key + itemB.Key;
val = itemA.Value * itemB.Value;
if (c.Data.Keys.Contains(key))
{
c.Data[key] += val;
}
else
{
c.Data.Add(key, val);
}
}
}
return(c);
}
public Polinom(Polinom p)
{
if (p is null)
{
throw new ArgumentNullException();
}
Data = new SortedDictionary <int, int>(p.Data);
}
static void Main(string[] args)
{
int[] exp = new int[] { 11, 2, 5, 7, 3 };
int[] coef = new int[] { -11, 2, 4, 0, 4 };
int[] exp1 = new int[] { 1, 2, 5, 7, 8 };
int[] coef1 = new int[] { -1, -2, 4, 8, 4 };
try
{
/* Polinom p = new Polinom(exp, coef);
* Console.WriteLine(p);
*
* Polinom p1 = new Polinom(exp1, coef1);
* Console.WriteLine(p1);
* Console.WriteLine(p+p1);
* Console.WriteLine(p - p1);
*
* Polinom p2 = new Polinom(new int[] { 1, 0 }, new int[] { 2, 5 });
* Console.WriteLine(p2);
* Console.WriteLine(p2*p2);*/
Polinom c = null;
Polinom a = new Polinom(c);
a.GetCoefficient(5);
}
catch (Exception ex)
{
WriteLine(ex.Message);
Console.WriteLine("hi");
}
/*
* SortedDictionary<int, int> d = new SortedDictionary<int, int>();
* d.Add(1, 1);
* d.Add(4, 6);
* d.Add(8, 2);
* d.Add(6, 1);
* Console.WriteLine(d);
* foreach (var itm in d)
* {
* Console.WriteLine($"{itm.Key} {itm.Value}");
* }
* d.Add(6, 7);
* foreach (var itm in d)
* {
* Console.WriteLine($"{itm.Key} {itm.Value}");
* }
*
*/
ReadKey();
}
public static Polinom operator -(Polinom a, Polinom b)
{
if (a is null || b is null)
{
throw new ArgumentNullException();
}
Polinom c = new Polinom(a);
foreach (var item in b.Data)
{
if (c.Data.Keys.Contains(item.Key))
{
c.Data[item.Key] -= item.Value;
}
else
{
c.Data.Add(item.Key, -item.Value);
}
}
return(c);
}
