I have the same problem. I can't say my approach works or not because I am still trying. My approach is to keep writing the basic algorithm, data structure, co

I have the same problem. I can't say my approach works or not because I am still trying. My approach is to keep writing the basic algorithm, data structure, common questions again and again. Do it once every 2-3 weeks. When I know every part of them, then I can start twisting or go deeper. I am not that top talent. Sometimes even a 0-based or 1-based array can bug me a while.