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Given a list of words, group together all the anagrams. Anagrams are words that contain the same letters rearranged.
#1. Group Anagrams
Starting from (0, 0), can you reach a target point (tx, ty) by repeatedly applying the transformation (x, y) -> (x, x+y) or (x, y) -> (x+y, y)? Determine if it's possible.
#2. Reaching Points
You're given a linked list where each node contains a 0 or 1, representing a binary number. Convert this binary representation into its equivalent integer value.
#3. Convert Binary Number in a Linked List to Integer