12 月 2022

Last Updated on 2022-12-06 by Clay

題目

Given the head of a singly linked list, group all the nodes with odd indices together followed by the nodes with even indices, and return the reordered list.

Last Updated on 2022-12-05 by Clay

題目

Given the head of a singly linked list, return the middle node of the linked list.

If there are two middle nodes, return the second middle node.

Last Updated on 2022-12-05 by Clay

題目

You are given a 0-indexed integer array nums of length n.

The average difference of the index i is the absolute difference between the average of the first i + 1 elements of nums and the average of the last n - i - 1 elements. Both averages should be rounded down to the nearest integer.