SP18167 SUBXOR - SubXor

A straightforward question. Given an array of positive integers you have to print the number of subarrays whose XOR is less than **K**. Subarrays are defined as a sequence of continuous elements **A $ _{i} $ , A $ _{i+1} $ , ..., A $ _{j} $** . XOR of a subarray is defined as **A $ _{i} $ ^ A $ _{i+1} $ ^ ... ^ A $ _{j} $** . Symbol **^** is Exclusive Or. You can read more about it here: [http://en.wikipedia.org/wiki/Exclusive\_or](http://en.wikipedia.org/wiki/Exclusive_or)

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