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class ex1
{
public static void change<T>(T[] arr)
{
for (int i = 0; i < arr.Length - 1; i += 2)
{
T a = arr[i];
arr[i] = arr[i + 1];
arr[i + 1] = a;
}
}
public static void PrintArr(int[] arr)
{
foreach (var number in arr)
{
Console.Write(number + " ");
}
Console.WriteLine();
}
public static void EX1()
{
int[] arr = new int[9] { 1, 2, 3, 4, 5, 6, 7, 8, 9};
Console.WriteLine("Первоначальный массив: ");
PrintArr(arr);
change(arr);
Console.WriteLine("Изменённый массив: ");
PrintArr(arr);
}
}
class Program
{
public static void Main()
{
ex1.EX1();
ex2.EX2();
}
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