static void Main(string[] args)
{
var coll = new CollectionType <int>(new int[] { 1, 3, 7, 19, 31, 7, 87 });
WriteLine("Linqed List example:\n\n" + coll.ToString());
coll.RemoveAt(0); // remove 1
coll.AddLast(7); // add 7 to the end
coll.AddFirst(2); // add 2 to the begin
coll.RemoveAll(7); // remove all 7
coll.AddBefore(30, 3); // add 30 before 31
coll.AddAfter(32, 4); // add 32 after 31
WriteLine("remove the first element, add '7' to the end, add '2' to the begin, remove all '7', add '30' " +
"before '31' and '32' after it\n" + coll.ToString());
CollectionType <int> coll2 = new CollectionType <int>();
coll.CopyTo(coll2);
coll.Clear();
coll.AddRange(new int[] { 2, 3, 4, 5, 6, 7, 8, 9 });
coll.AddFirst(1);
WriteLine("Copy all to another list, clear the old one and fill it again with natural numbers till 9\n" + coll.ToString());
WriteLine("The new list has saved values that were copied, while the old was changed:\n" + coll2.ToString() + "\n\nTask (variant 1):\n");
Triangle[][] tris = new Triangle[4][];
CollectionType <Triangle>[] arr_coll = new CollectionType <Triangle> [4];
Random r = new Random();
int a, b, c, n = 1;
for (int i = 0; i < tris.Length; i++)
{
tris[i] = new Triangle[r.Next(5, 15)];
for (int j = 0; j < tris[i].Length; j++)
{
a = r.Next(1, 20);
b = r.Next(1, 20);
c = (int)Sqrt(a * a + b * b - a * b * Cos(r.NextDouble()));
if (c == 0)
{
c = a + b - 1;
}
try
{
tris[i][j] = new Triangle(a, b, c);
}
catch (ArgumentException)
{
tris[i][j] = new Triangle(3 * n, 4 * n, 5 * n);
n++;
}
}
}
WriteLine("Non-sorted array:");
foreach (var item in tris)
{
foreach (var sub in item)
{
WriteLine(sub.ToString());
}
}
WriteLine("\n Sorted collections");
for (int i = 0; i < tris.Length; i++)
{
Array.Sort <Triangle>(tris[i]);
WriteLine($"\n collection {i}\n");
foreach (var item in tris[i])
{
WriteLine(item.ToString());
}
arr_coll[i] = new CollectionType <Triangle>(tris[i]);
}
WriteLine("\n Enter n");
n = Convert.ToInt32(ReadLine());
// LINQ
var n_col =
from elem in arr_coll
where elem.Length == n
select elem;
if (n_col.Count() == 0)
{
WriteLine("There is no collection with such length");
}
foreach (var item in n_col)
{
WriteLine(item.ToString());
}
var max = arr_coll.Aggregate((i1, i2) => i1.Length > i2.Length ? i1 : i2);
var min = arr_coll.Aggregate((i1, i2) => i1.Length < i2.Length ? i1 : i2);
WriteLine("Minimal collection:\n" + min.ToString());
WriteLine("Maximal collection:\n" + max.ToString());
}
public void CopyTo(CollectionType <T> ct)
{
ct.first = first;
ct.Length = Length;
}
