0 votes 0 votes Could anyone explain Why the space complexity of heapsort is O(1)?? Vivekk asked Sep 19, 2018 Vivekk 559 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply himgta commented Sep 19, 2018 reply Follow Share https://stackoverflow.com/questions/22233532/why-does-heap-sort-have-a-space-complexity-of-o1 0 votes 0 votes Vivekk commented Sep 20, 2018 reply Follow Share What about the recursion stack formed by calling Heapify function?? 0 votes 0 votes Please log in or register to add a comment.