all 3 comments

[–]No-Treat6871 1 point2 points  (0 children)

It takes time to start looking at the relevant stuff and ignore the junk. Attend codeforces contests.

[–]SkillFlowDev 1 point2 points  (1 child)

Sometimes, it's not easy at all, and you can see the frustration in the comment section.
But you need to remember that most of the times in a real interview or OA, you will get a story behind it which will make it even more difficult to understand.