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题目要求：Implement atoi to convert a string to an integer.Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yourself what are the possible input ca

DescriptionGiven a linked list, remove the nth node from the end of list and return its head. *For example, * Given linked list: 1->2->3->4->5, and n = 2. * After removing the second node from the