The user then gets to choose options from the following menu: 1. Remove adjacent duplicate characters appearing in the input string, and report the number of characters removed 2. Create a new linked...

Just answer the following question

You are asked to explain your strategy in implementing menu options #4 and #5. Include in this
report the possible challenges you encountered, the circumstances to be taken into account and
how you addressed those issues for these menu options.

Extracted text: The user then gets to choose options from the following menu: 1. Remove adjacent duplicate characters appearing in the input string, and report the number of characters removed 2. Create a new linked list comprising of only the vowels used in the input string and in the exact order. Display the contents of this linked list 3. Delete all occurrences of a character: Please enter the character 4. Search for a substring in the input string: Please enter the substring 5. Display the linked list in reverse 6. Count of occurrences of a character: Please enter a character 7. Display the current content of the linked list 8. Exit