Swift
Collection types
You have tens of thousands of user IDs and need to check repeatedly whether a given ID is among them. Which collection fits best?
Pick one
Up next
CS fundamentals and algorithmsMultiple choiceIntro
Which of these Swift collection operations have O(1) average time complexity? Select all …
#array #set #dictionary
CS fundamentals and algorithmsShort answerBasics
If you had to implement a hash map yourself, how would you build it?
#dictionary #hashable
CS fundamentals and algorithmsMultiple choiceBasics
What problem does this type cause when you put it in a Set? …
#set #hashable
Performance and debuggingMultiple choiceIntro
With the same 100,000 elements stored in each, which operations are clearly faster on a S…
#array #set