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No. of arrays with xor sum equal to 0
In a recent hiring challenge, a question was asked to find the no. of arrays of size N, whose xor of all the elements is 0 and the array should only contain 0,1,2,3,4,5 as its element. Return ans%(1e9+7). 1<=N<=1e5
Here are the test cases for the first 60 elements.
How should I approach this problem?
