1. Given an array of numbers, return an array of the running sums of the original array.
2. Rotate Linked List Problem Statement Given a linked list consisting of 'N' nodes and an integer 'K', your task is to rotate the linked list by 'K' positions in a clockwise direction. Example: Input: Linked List: 1 2 3 4 -1K: 2 Output: 3 4 1 2 Explanation: After rotating the linked list by 2 positions in a clockwise direction, the resultant linked list is 3 4 1 2. Constraints: 1 <= T <= 10 1 <= N <= 105 0 <= node.data <= 109 and node.data != -1 0 <= K <= 105
3. How do you manage work pressure?
4. What is HRM according to you?
5. Write a function to invert a binary tree.