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DSA · Theory

Find whether an array is subset of another array

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Theory

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Find whether an array is subset of another array

Find whether an array is subset of another array sits in lab hour. Farhan’s job is Find whether an array is subset of another array on Farhan's board. Write that first.

Find whether an array is subset of another array on the board: one Find whether an array is subset of another array step Farhan can write from memory. Then say what Find whether an array is subset of another array on Farhan's board looks like after.

Without Find whether an array is subset of another array, lab hour gets messy and Find whether an array is subset of another array on Farhan's board is hard to trust.

Find whether an array is subset of another array shows up in lab hour. Name Find whether an array is subset of another array on Farhan's board, not “a real-world scenario”.

Find whether an array is subset of another array miss: skipping the failure case for Find whether an array is subset of another array. Fix it before you talk about advanced DSA.

Find whether an array is subset of another array is not a lonely heading. Farhan ties it to Find whether an array is subset of another array on Farhan's board.

One breath for Find whether an array is subset of another array, then Find whether an array is subset of another array on Farhan's board, then skipping the failure case for Find whether an array is subset of another array. Sit down.

Diagram
  index →  0    1    2
  array → [10,  20,  30]
Exam tip

Board: Find whether an array is subset of another array on Farhan's board. Dry-run Find whether an array is subset of another array. Name the trap: skipping the failure case for Find whether an array is subset of another array.

Example

arr = [10, 20, 30, 40]
print(arr[2], arr[-1])
matrix = [[1, 2], [3, 4]]
print(matrix[1][0])  # 3

Find whether an array is subset of another array — arrays give O(1) index access; matrices are arrays of arrays.

Short notes

  • DefFind whether an array is subset of another array — Farhan uses it for Find whether an array is subset of another array on Farhan's board in lab hour.
  • RuleFind whether an array is subset of another array → one Find whether an array is subset of another array step Farhan can write from memory.
  • RememberFind whether an array is subset of another array + Big-O (lab hour).
  • UseFind whether an array is subset of another array in lab hour (Find whether an array is subset of another array on Farhan's board).
  • TrapFind whether an array is subset of another array — skipping the failure case for Find whether an array is subset of another array.
  • ExFind whether an array is subset of another array → Find whether an array is subset of another array on Farhan's board.

Questions

1

Define Find whether an array is subset of another array without jargon. Then point at Find whether an array is subset of another array on Farhan's board.

2

When would Farhan actually reach for Find whether an array is subset of another array?

3

What trap does Farhan hit with Find whether an array is subset of another array?

4

Dry-run one Find whether an array is subset of another array step Farhan can write from memory and say the result.

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