HTMLify

class Solution:
    def maxSubarrayXOR(self, arr, k):
        n = len(arr)
        current_xor = 0
        
        for i in range(k):
            current_xor ^= arr[i]
            
        max_xor = current_xor
        
        for i in range(k, n):
            current_xor ^= arr[i - k]
            current_xor ^= arr[i]
            if current_xor > max_xor:
                max_xor = current_xor
                
        return max_xor