#include #include using namespace std; int main() { int rows, columns, row_Num, col_Num; bool isRunning = true; //declare an integer pointer of a pointer int **my2D_Array; while (isRunning) { cout << "1. Read Array" << endl; cout << "2. Print Array" << endl; cout << "3. Reverse a row" << endl; cout << "4. Reverse a column" << endl; cout << "5. Exit" << endl; int choice; cin >> choice; switch (choice) { case 1: cout << "Enter number of rows: "; cin >> rows; cout << "Enter number of columns: "; cin >> columns; cout << "Enter " << rows * columns << " integers: " << endl; //the first pointer points to row array my2D_Array = new int *[rows]; //the second pointer points to column array through loop for (size_t i = 0; i < rows; i++) { my2D_Array[i] = new int[columns]; } //insert values to 2d array for (size_t i = 0; i < rows; i++) { for (size_t j = 0; j < columns; j++) { cin >> my2D_Array[i][j]; } } break; case 2: //print values of 2d array for (size_t i = 0; i < rows; i++) { for (size_t j = 0; j < columns; j++) { cout << my2D_Array[i][j] << " "; } cout << endl; } break; case 3: {cout << "Enter a row number: "; cin >> row_Num; int first = 0; int last = columns - 1, temp; while (first < last) { temp = my2D_Array[row_Num][first]; my2D_Array[row_Num][first] = my2D_Array[row_Num][last]; my2D_Array[row_Num][last] = temp; first++; last--; } //print values of 2d array for (size_t i = 0; i < rows; i++) { for (size_t j = 0; j < columns; j++) { cout << my2D_Array[i][j] << " "; } cout << endl; } }break; case 4: {cout << "Enter a column number: "; cin >> col_Num; int first = 0; int last = rows - 1, temp; while (first < last) { temp = my2D_Array[first][col_Num]; my2D_Array[first][col_Num] = my2D_Array[last][col_Num]; my2D_Array[last][col_Num] = temp; first++; last--; } //print values of 2d array for (size_t i = 0; i < rows; i++) { for (size_t j = 0; j < columns; j++) { cout << my2D_Array[i][j] << " "; } cout << endl; } }break; case 5: isRunning = false; break; default: cout << "Invalid Choice" << endl; break; } } }

task1