Radix sort algorithm quick question Radix sort runs in theta

Radix sort algorithm quick question.

Radix sort runs in theta (nc). What does \'c\' represent? the largest number being sorted the range of the values being sorted the number of bits used to represent the numbers. the number of buckets needed to store the numbers.

Solution

[C] The number of bits used to present the numbers.

in Radix sort elements are grouped with respect to the digits forming the elements.