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Find the number of subarrays where the even numbers appear odd number of times.

Revision en1, by Gismet, 2024-10-08 15:17:00

I was solving subarray problems the other day and came up with the above problem. I searched it online. I just wanted to solve it and submitted it to a judge. But I could not find such a problem. Do you guys happen to have encounter such a problem somewhere?

Tags quest, array

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en1 English Gismet 2024-10-08 15:17:00 339 Initial revision (published)