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Efficient way to find Xor of pairs with given target X in a range 0 to K
I came across a problem: given an array (can be huge 10^8) and an integer, K, find the count of pairs in the array whose Xor equal to each value in the range 0 to K.
eg:
Arr = 1 2 3
K = 2
since K=...
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How to Create a Parser that Operates in Reverse
I've got my answer to this in the comment of the one I checked. Which Algorithm Approach Should I Take to Generate Lambda Expressions in Java? but I don't exactly know where to look in terms of ...
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Why are algorithms and data structures important? [duplicate]
It seems like a lot of university-level computer science programs and programmer job interviews focus heavily on algorithms and data structures. I'm curious as to why universities and employers put so ...