Please help about the c ++ pointer

How to do the following with c ++. Can you help me. Please

1-Create a linked list and enter the following elements into it:

2-We write the function to delete elements from this list.
3-We write the function to add elements to this list.
4-We write the function that lists the elements in this List and prints them on the screen.
5-Analyze the temporal complexity of the functions you have written using the Big O (Big Oh) notation.
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