Januka Chhetri on Instagram: "If you want to strengthen your logic then here is a clear roadmap that is the most effective to study from: ✅ 1. Basic Logic Building (Foundation) YouTube Channels CodeWithHarry – DSA basics Kunal Kushwaha – Logic + patterns Anuj Bhaiya – Clear explanations for beginners Books / PDFs How to Think Like a Computer Scientist – free + excellent for logic R.S. Aggarwal — Quantitative Aptitude (Reasoning section) – sharpens logical thinking ✅ 2. Pattern & Logic Practice (