String

Problem Imagine you’re working with DNA sequences to uncover regions critical for enzyme binding and gene regulation. Your task is to develop an algorithm that, given a DNA strand represented as a string (e.g., “AGCTTTCGA”), locates and returns the longest contiguous palindromic segment. Identifying this region is key because palindromic sequences in DNA often serve as specific recognition sites for enzymes and play a role in forming secondary structures that influence biological functions. ...

Problem You are building a news collection app that fetches articles from various sources and presents them in a summarized form to users, so they can quickly grasp the main points without having to read the full article. One important feature of your app could be to remove duplicate words or phrases from these summaries while still retaining as much information as possible. Example 1: Input: s = “xyzxyzyy” Output: 3 Explanation: The answer is “xyz”, with the length of 3. ...