HBC54559妄想集合,数学,数据结构,并查集XOR sum题解

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You are given two positive integers l and r,you shoud answer l⊕(l+1)⊕⊕r,where ⊕ denotes the bitwise XOR operation.In XOR operation we perform the comparison of two bits, being 1 if the two bits are different, and 0 if they are the same.For example:

You are given two positive integers l and r,you shoud answer l⊕(l+1)⊕⋯⊕r,where ⊕ denotes the bitwise XOR operation. In XOR operation we perform the comparison of two bits, being 1 if the two bits are different, and 0 if they are the same. For example:

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标签： HBC54559妄想集合 数学 数据结构 并查集XOR sum题解