CF Step
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Global List


All problems start from this list. Over time, they are moved to the topic-wise list if revealing the topic is not a spoiler for the problem. If it’s a spoiler, it’s moved to the secret topic.

The current problems in this page are the ones that I’ve solved but haven’t yet had the time to segregate. Do not assume them to be educational. However, all problems in the topic wise list are properly reviewed.




Problems that I’ve solved, which are good for testing your skills, but doesn’t contain enough educational material.


These are the problems that were shared with me, but I haven’t attempted them personally yet.

XOR Minimization (Shared by aryanc403).


Easy Problems for Upsolving