14. What does big Omicron roughly mean? (A) worse than (B) the same as (C) better than or the same as (D) better than (E) worse than or the same as 15. What does roughly mean? (A) better than (B) better than or the same as (C) worse than or the same as (D) the same as (E) worse than 16. What does ? roughly mean? (A) better than or the same as (B) worse than (C) better than (D) worse than or the same as (E) the same as 17. T or F. All algorithms are ?(1) 18. T or F: All algorithms are 0(1) 19, T or F. All algorithms are ?(1) 20, T or F: There exist algorithms that are ?(1) 21. T or F: There exist algorithms that are O(1)