What are some good xor problems on codeforces?

Правка en1, от mokoto, 2019-08-30 17:45:41

What are some good problems involving xor techniques and concepts, on codeforces or any other site. difficulty range <=2300.

Thanks.

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en1 Английский mokoto 2019-08-30 17:45:41 182 Initial revision (published)