Linked Lists

Is the linked list a palindrome?
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Given a linked list, this algorithm determines whether or not the list is a palindrome.

"Reversing a Linked List"
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This problem asks you to reverse the order of a linked list. For example, if the given linked list is 1->2->3->4->5, the output should be 5-> 4->3->2->1.

Detecting Palindromes in Linked Lists
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To determine whether or not a linked list is a palindrome, we can use a stack to keep track of the first half of the list. As we iterate through the list, we push each node onto the stack. Once we reach the end of the list, we compare the second half of the list to the nodes in the stack, popping each node off the stack as we compare. If the list is a palindrome, the stack will be empty at the end.

Reversing a Linked List in Place
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To reverse a linked list in place, we need to keep track of the current node, as well as the previous and next nodes. We can then change the pointers of the current node to point to the previous node, and move on to the next node.

Remove Duplicates from Linked List
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This problem deals with removing duplicate elements from a linked list. An example input and output are given.

Reverse a Linked List
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This problem asks you to reverse a linked list. An example input and output is given.

Determine if a singly linked list is a palindrome.
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This problem asks whether a singly linked list is a palindrome, meaning that the data in the list is the same forwards as it is backwards. An example input is provided, along with the expected output.

Delete the head node from a singly linked list.
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Given a singly linked list, this function will delete the head node and return the new head node.