result to store the binary representation.n is 0, return '0' as the binary representation.n is not equal to 0:
a. Calculate the remainder of n divided by -2.
b. If the remainder is negative, add 2 to the remainder and increment n by 1.
c. Divide n by -2.
d. Append the remainder to the result string.result string to get the correct binary representation.result string.