Here is a step-by-step guide for Arun to accomplish the task in C++: 1. First, Arun needs to include the necessary header files. In this case, he needs to include the iostream header file to use the cin and cout functions. ```cpp #include ``` 2. Next, Arun should declare the main function. This is the entry point of the program. ```cpp int main() { ``` 3. Inside the main function, Arun should declare an integer variable to store the user's input. ```cpp int number; ``` 4. Then, Arun should prompt the user to enter an integer and store it in the 'number' variable. ```cpp std::cin number; ``` 5. After that, Arun should declare a constant pointer to a constant integer and initialize it with the address of the 'number' variable. ```cpp const int * const ptr = &number; ``` 6. Now, Arun can print the original value of the number and the value accessed through the constant pointer. ```cpp std::cout

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Here is a step-by-step guide for Arun to accomplish the task in C++: 1. First, Arun needs to include the necessary header files. In this case, he needs to include the iostream header file to use the cin and cout functions. ```cpp #include ``` 2. Next, Arun should declare the main function. This is the entry point of the program. ```cpp int main() { ``` 3. Inside the main function, Arun should declare an integer variable to store the user's input. ```cpp int number; ``` 4. Then, Arun should prompt the user to enter an integer and store it in the 'number' variable. ```cpp std::cin >> number; ``` 5. After that, Arun should declare a constant pointer to a constant integer and initialize it with the address of the 'number' variable. ```cpp const int * const ptr = &number; ``` 6. Now, Arun can print the original value of the number and the value accessed through the constant pointer. ```cpp std::cout << "Original value of number: " << number << std::endl; std::cout << "Value accessed through const pointer: " << *ptr << std::endl; ``` 7. Finally, Arun should return 0 from the main function to indicate that the program has executed successfully. ```cpp return 0; } ``` So, the complete program should look like this: ```cpp #include int main() { int number; std::cin >> number; const int * const ptr = &number; std::cout << "Original value of number: " << number << std::endl; std::cout << "Value accessed through const pointer: " << *ptr << std::endl; return 0; } ``` This program will take an integer input from the user, store its address in a constant pointer, and print both the original value of the integer and the value accessed through the constant pointer.

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Here is a step-by-step guide for Arun to accomplish the task in C++: 1. First, Arun needs to include the necessary header files. In this case, he needs to include the iostream header file to use the cin and cout functions. ```cpp #include ``` 2. Next, Arun should declare the main function. This is the entry point of the program. ```cpp int main() { ``` 3. Inside the main function, Arun should declare an integer variable to store the user's input. ```cpp int number; ``` 4. Then, Arun should prompt the user to enter an integer and store it in the 'number' variable. ```cpp std::cin >> number; ``` 5. After that, Arun should declare a constant pointer to a constant integer and initialize it with the address of the 'number' variable. ```cpp const int * const ptr = &number; ``` 6. Now, Arun can print the original value of the number and the value accessed through the constant pointer. ```cpp std::cout << "Original value of number: " << number << std::endl; std::cout << "Value accessed through const pointer: " << *ptr << std::endl; ``` 7. Finally, Arun should return 0 from the main function to indicate that the program has executed successfully. ```cpp return 0; } ``` So, the complete program should look like this: ```cpp #include int main() { int number; std::cin >> number; const int * const ptr = &number; std::cout << "Original value of number: " << number << std::endl; std::cout << "Value accessed through const pointer: " << *ptr << std::endl; return 0; } ``` This program will take an integer input from the user, store its address in a constant pointer, and print both the original value of the integer and the value accessed through the constant pointer.

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