Given two numbers arr1 and arr2 in base -2 (negabinary), return the result of adding them together.
Each number is given in array format: as an array of 0s and 1s, from most significant bit to least significant bit. For example, arr = [1,1,0,1] represents the number (-2)^3 + (-2)^2 + (-2)^0 = -3.
A number arr in array format is also guaranteed to have no leading zeros: either arr == [0] or arr[0] == 1.
Return the result of adding arr1 and arr2 in the same format: as an array of 0s and 1s with no leading zeros.
1 <= arr1.length, arr2.length <= 1000arr1[i] and arr2[i] are 0 or 1arr1 and arr2 have no leading zerosarr1 = [1,1,1,1,1], arr2 = [1,0,1][1,0,0,0,0]arr1 = [0], arr2 = [0][0]arr1 = [0], arr2 = [1][1]