C++ Bitsets in Competitive Programming

Tutorial on bitsets in C++. You will often see on Codeforces that you should "just use bitsets", and now you will learn how to do it. My CF article about this topic plus bonuses: https://codeforces.com/blog/entry/73558

Previous video with introduction to bitwise operations:    • Bitwise Operations tutorial #1 | XOR,...  

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