Print all distinct characters of a string
Print all distinct characters of a string is a DSA topic. In plain words you use it for a short Print all distinct characters of a string example in a short dry-run on paper. Don’t start with a slogan — start with that picture.
Smallest example: the smallest Print all distinct characters of a string example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Print all distinct characters of a string.
From the example next to this theory — Print all distinct characters of a string: dry-run [4, 1, 3].
Trap: only saying “Print all distinct characters of a string” with no example. Fix that before you talk about advanced DSA.
Viva: what is Print all distinct characters of a string? Then show the smallest Print all distinct characters of a string example you can type. Then name the trap.
What is Print all distinct characters of a string? Show this: the smallest Print all distinct characters of a string example you can type. Trap: only saying “Print all distinct characters of a string” with no example.