using System using System Collections Generic using System Linq using

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace WindowsFormsApplication2
{
class Lab4
{
private const int N = 3;
public int[,] arr = new int[N, N];
private int sum = 0, avg = 0;
public Lab4()
{
Random rand = new Random();
for (int i = 0; i < N; i++)
{
for (int j = 0; j < N; j++)
arr[i, j] = rand.Next(-5, 5);
}
}
private void Swap(int i, int k)
{
int temp = arr[k + 1, N - i - 1];
arr[k + 1, N - i - 1] = arr[k, N - i - 1];
arr[k, N - i - 1] = temp;
}
public void Solu()
{
for (int i = 0; i < N; i++)
{
if (arr[i, (N - i - 1)] < 0)
{
for (int j = 0; j < N - 1; j++)
for (int k = 0; k < N - 1; k++)
{
if (arr[k, N - i - 1] < arr[k + 1,N - i - 1])
Swap(i, k);
}
}
else
{
for (int j = 0; j < N; j++)
sum += arr[i,j];
avg = sum / N;
arr[i,i] = avg;
sum = 0;
avg = 0;
}
}
}
public string Print(int[,] a)
{
string NewText = "";
for (int i = 0; i < N; i++)
{
for (int j = 0; j < N; j++)
NewText += arr[i, j] + "\t";
NewText += "\r\n\n";
}
return NewText;
}
}
}