Hi Codeforces! I was wondering if we could compute a ^ (a + b) ^ (a + 2b) ^ ... ^ (a + kb) in O(1) or such. Thought about it a lot but still I have no solutions :( Do you have any idea? Thank you!
A question about xor sums
Hi Codeforces! I was wondering if we could compute a ^ (a + b) ^ (a + 2b) ^ ... ^ (a + kb) in O(1) or such. Thought about it a lot but still I have no solutions :( Do you have any idea? Thank you!
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