Note: this question is not to be confused with, thats what I thought at first\nhttps://leetcode.com/problems/odd-even-linked-list/\n\nYou want to group all nodes with VALUEs that are even together and all nodes with VALUES that are odd together. \n\nEx:\nInput: 2->1->3->5->6->4->7->NULL\nOutput: 1->3->5->7->2->6->4->NULL\n\nAnyone know if there\'s a way of doing this in-place?

Note: this question is not to be confused with, thats what I thought at first\nhttps://leetcode.com/problems/odd-even-linked-list/\n\nYou want to group all node