Finding a specific substring in a string without using inbuilt functions and further modified the question

Technical Interview: Duration: 30 minutes Mode: Online Topics Covered: -> Favorite Subjects: I mentioned Operating Systems and Computer Networks. Computer Networks: Difference between Private and Public IP addresses. Given an IP address – explained the classification. Client-Server architecture – how the web works, HTTP methods like GET and POST. Operating Systems: Concept of Round Robin scheduling and other algorithms. -> Projects: Discussed AI/ML/DL projects in detail. Also covered other projects mentioned in the resume. Use of JavaScript in one of my projects. -> Coding Question: Frequency count of each character in a string. I wrote a working solution in an online compiler (language of choice) -> Was asked to rate myself in coding and DSA. -> BFS and DFS -> Major Project: Briefly explained what I am currently doing for my final-year project. -> General Tech: Basics of IoT and one real life example (Because I told my choice of major project as this domain) and Cloud Computing. -> Closing Questions: Asked if I had any questions for them. I asked if they could give feedback for improvement. and also asked what they expect from a fresher – they gave some valuable insights. HR Interview: Duration: 12–15 minutes Mode: Online Questions Asked: 1. Tell me about yourself? 2. Why Fidelity? 3. What do you think are two key factors for a team to work efficiently? 4. How would you cope up if you were onboarded? 5. Explain any one project using the STAR method (Situation, Task, Action, Result). 6. What values of the company do you think you already possess? (Mentioned 2–3 values). 7. Are you aware of the job location? Are you willing to relocate? 8. Are you part of any government apprenticeship program? (I answered No). -> Questions I Asked: What do you expect from a fresher? On What projects the company is currently working on?