* Given an array of integers A and an integer B. Find the total number of subarrays having bitwise XOR of all elements equals to B. here we use map to track the xor value crete a map and then put 0 ...

First line of input contains T - the number of test cases. Its followed by 2T lines, the first line contains N - the size of the array. The second line contains the elements of the array. For each ...

Learn what XOR and NAND are, how to use them in different languages, why they are important for computer science, and how to improve your coding style with them.