Tag: divide and conquer algorithm
Sort a linked list in O(n log n) time using constant space complexity. Example 1: Input: 4->2->->3 Output: 1->2->3->4 Example 2: Input: -1->5->3->4->0 Output: -1->0->3->4->5 The Merge sort performs …
Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. Example: Input: Output: 1->1->2->3->4->4->5->6 There are many algorithms that we can use …
Given a balanced parentheses string S, compute the score of the string based on the following rule: () has score 1 AB has score A + B, where A …