# 1486. XOR Operation in an Array
"""
you are given an integer 'n' and an integer 'start'. define an array 'nums'
where 'nums[i] = star + 2 i' and 'n == nums.length'. return bitwise xor of
all elements of 'nums'.
"""
class Solution(object):
def xorOperation(self, n, start):
"""
:type n: int
:type start: int
:rtype: int
"""
ans = 0
nums = [start + i * 2 for i in range(n)]
for i in nums:
ans ^= i
return ans
if __name__ == "__main__":
obj = Solution()
print(obj.xorOperation(n=5, start=0))
print(obj.xorOperation(n=4, start=3))
