public static void Laba_4_1(int[] arr)
{
var temp = new MyStruct[arr.Length];
for (int i = 0; i < arr.Length; i++)
{
for (int j = i + 1; j < arr.Length; j++)
{
temp[i].proizv = arr[i] * arr[j];
temp[i].a = arr[i];
temp[i].b = arr[j];
}
}
var min = temp.OrderBy(a => a.proizv).First();
var max = temp.OrderByDescending(a => a.proizv).First();
Console.WriteLine("{0}*{1}={2}", min.a, min.b, min.proizv);
Console.WriteLine("{0}*{1}={2}", max.a, max.b, max.proizv);
}