using System namespace FirstLab class Matrix private int arr new int n

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using System;
namespace FirstLab
{
class Matrix
{
private int[][] arr =
{
new int [] { 1, 1, 1, 1, 0, 1 },
new int [] { 1, 1, 1, 1, 1, 0 },
new int [] { 1, 1, 0, 1, 1, 1 },
new int [] { 0, 1, 1, 1, 1, 1 },
new int [] { 1, 1, 1, 0, 1, 1 },
new int [] { 1, 0, 1, 1, 1, 1 }
};
public void DiagonalMatrix()
{
int len = arr.Length;
int[] temp = new int[len];
for (int i = 0; i < len; i++)
for (int j = 0; j < len; j++)
if (arr[i][j] == 0)
{
TempArrFilling(temp, i);
SwapElements(temp, i, j);
}
}
private void TempArrFilling(int[] temp, int i)
{
int len = arr.Length;
int counter = 0;
for (int k = 0; k < len; k++)
{
temp[k] = arr[i][k];
if (temp[k] == 0)
counter++;
}
if (counter > 1)
throw new ArgumentException("You made a mistake in the array initialization");
}
private void SwapElements(int[] temp, int i, int j)
{
int len = arr.Length;
for (int k = 0; k < len; k++)
{
arr[i][k] = arr[j][k];
arr[j][k] = temp[k];
}
}
public string GetArray()
{
int len = arr.Length;
string print = "";
for (int i = 0; i < len; i++)
{
for (int j = 0; j < len; j++)
print += arr[i][j] + " ";
print += Environment.NewLine;
}
return print;
}
}
}