I had a professor in college that used to say A+ is for me, A is reserved for God, A- for the head of the department, and the grades B+ and below are for you...
So by that line of reasoning I assume that O(1) is reserved for the author.
So by that line of reasoning I assume that O(1) is reserved for the author.
data structures: creator of skip lists
algorithms: creator of genetic algoritms
systems programming: lead engineer on JVM HotSpot
source control: "subversion sucks, here's Git"
build automations: creators of Maven
etc. (You can go down the whole list and figure out exactly what O(1) is and who belongs to that set.)