Observe.ai | Software Engineer (Mid Level) | Coding | Onsite

two leetcode medium questions 1. You are given a string s and an integer k. You can choose any character of the string and change it to any other uppercase English character. You can perform this operation at most k times. Return the length of the longest substring containing the same letter you can get after performing the above operations. 2. Given an unsorted array of integers nums, return the length of the longes...