How to handle the tricky program?

Question

many of them asked,some kind of critical program.first of all the understanding about that ques is very difficult.how to proceed the program.

Answer 1

take a screenshot if that is in challenge , try to make that program by yoyrself and get the logic behind it , once you do it you can solve questions like it easily , programming is all based on practicing by yourself , the more you pratice the better you become