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Remove Linked List Elements

easy
linked-listTime: O(n)Space: O(1)Frequency: 4

Given the head of a linked list and an integer val, remove all nodes with that value.

Example 1:

Input: head = [1, 2, 6, 3, 4, 5, 6], val = 6
Output: [1, 2, 3, 4, 5]

Example 2:

Input: head = [7, 7, 7, 7], val = 7
Output: []
linked-list