What will be the time complexity of insertion operation if all the candidates are evenly spaced so that each bin has constant no. of candidates? (m = number of bins intersecting candidate intersects)

(a) O(1)

(b) O(m)

(c) O(m^2)

(d) O(log m)

The query is from Trees in section Trees of Data Structures & Algorithms I

The question was asked in homework.