How to solve this problems?

Revision en1, by nnalove, 2021-06-09 09:54:45

I tried to solve the problem today, but I can't find any ideas? Can someone help me? Is there an issue similar to this one?

Tags math, #question, acm icpc


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en1 English nnalove 2021-06-09 09:54:45 214 Initial revision (published)