Searching
Searching (dll) sits in a sorted list. Vikram’s job is find roll 12. Write that first.
Searching (dll) on the board — linear vs binary. Then say what find roll 12 looks like after.
Without Searching (dll), a sorted list gets messy and find roll 12 is hard to trust.
Searching (dll) shows up in a sorted list. Name find roll 12, not “a real-world scenario”.
If find roll 12 breaks under Searching (dll), check binary search on unsorted data first.
Searching (dll) is not a lonely heading. Vikram ties it to find roll 12.
Close Searching (dll) with — “If I skip it, find roll 12 goes wrong like this: binary search on unsorted data.”
Exam tip
For Searching (dll): definition + a sorted list + one failure.