Added 8th lab

lab_8/lab_8_1.cpp

@@ -0,0 +1,92 @@
+#include <iostream>
+#include <ctime>
+
+using namespace std;
+
+int** create_matrix(const int size) 
+{
+        int** arr = new int*[size];
+        for(int i = 0; i < size; i++)
+        {
+                arr[i] = new int[size];
+        }
+        return arr;
+}
+
+void random(int **arr, int size)
+{
+        for(int i = 0; i < size; i++)
+        {
+                for(int j = 0; j < size; j++)
+                {
+                        arr[i][j] = rand() % 100;
+                }
+        }
+}
+
+void array_output(int **arr, int size)
+{
+        cout << "====================================" << endl;
+        for(int i = 0; i < size; i++)
+        {
+                for(int j = 0; j < size; j++)
+                {
+                        cout << arr[i][j] << '\t';
+                }
+                cout << "\n\n";
+        }
+        cout << "====================================" << endl;
+}
+
+void sort_diagonals(int **arr, int n)
+{
+        for(int i = 0; i < n; i++)
+        {
+                int min = arr[i][i];
+                int index = i;
+                for(int j = i; j < n; j++)
+                {
+                        if(arr[j][j] < min)
+                        {
+                                min = arr[j][j];
+                                index = j;
+                        }
+                }
+                swap(arr[i][i], arr[index][index]);
+        }
+}
+
+void swap_diagonals(int** arr_1, int** arr_2, int size)
+{
+        for(int i = 0; i < size; i++)
+        {
+                swap(arr_1[i][i], arr_2[i][i]);
+        }
+}
+
+int main()
+{
+        setlocale(LC_ALL, "ukr");
+        srand(time(NULL));
+        int n;
+        cin >> n;
+        int **arr_1 = create_matrix(n);
+        int **arr_2 = create_matrix(n);
+
+        random(arr_1, n);
+        random(arr_2, n);
+
+        array_output(arr_1, n);
+        array_output(arr_2, n);
+
+        sort_diagonals(arr_1, n);
+        sort_diagonals(arr_2, n);
+
+        swap_diagonals(arr_1, arr_2, n); 
+
+        array_output(arr_1, n);
+        array_output(arr_2, n);
+        delete[] arr_1;
+        delete[] arr_2;
+        return 0;
+}