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DSA · Theory

Find k numbers with most occurrences in the given array

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Theory

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Find k numbers with most occurrences in the given array

If you can teach Find k numbers with most occurrences in the given array using Asha walking through Find k numbers with most occurrences in the given array, you know it. If you only know the heading, you don’t.

Find k numbers with most occurrences in the given array order: meaning → one Find k numbers with most occurrences in the given array step Asha can write from memory → one limit. Dumping ten features helps nobody.

Without Find k numbers with most occurrences in the given array, a first job task gets messy and Asha walking through Find k numbers with most occurrences in the given array is hard to trust.

Use Find k numbers with most occurrences in the given array when Asha walking through Find k numbers with most occurrences in the given array must stay clear. If a simpler DSA step works, use that instead.

If Asha walking through Find k numbers with most occurrences in the given array breaks under Find k numbers with most occurrences in the given array, check skipping the failure case for Find k numbers with most occurrences in the given array first.

After Find k numbers with most occurrences in the given array, Asha should still remember skipping the failure case for Find k numbers with most occurrences in the given array.

Viva for Find k numbers with most occurrences in the given array: what it is → one Find k numbers with most occurrences in the given array step Asha can write from memory → the mistake (skipping the failure case for Find k numbers with most occurrences in the given array).

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

Board: Asha walking through Find k numbers with most occurrences in the given array. Dry-run Find k numbers with most occurrences in the given array. Name the trap: skipping the failure case for Find k numbers with most occurrences in the given array.

Example

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

Find k numbers with most occurrences in the given array — arrays give O(1) index access; matrices are arrays of arrays.

Short notes

  • DefFind k numbers with most occurrences in the given array — Asha uses it for Asha walking through Find k numbers with most occurrences in the given array in a first job task.
  • RuleFind k numbers with most occurrences in the given array → one Find k numbers with most occurrences in the given array step Asha can write from memory.
  • RememberFind k numbers with most occurrences in the given array + a dry-run table (a first job task).
  • UseFind k numbers with most occurrences in the given array in a first job task (Asha walking through Find k numbers with most occurrences in the given array).
  • TrapFind k numbers with most occurrences in the given array — skipping the failure case for Find k numbers with most occurrences in the given array.
  • ExFind k numbers with most occurrences in the given array → Asha walking through Find k numbers with most occurrences in the given array.

Questions

1

What is Find k numbers with most occurrences in the given array? Teach it with Asha walking through Find k numbers with most occurrences in the given array.

2

Name one DSA screen/job that needs Find k numbers with most occurrences in the given array.

3

Viva: one wrong answer people give for Find k numbers with most occurrences in the given array.

4

Write the smallest Find k numbers with most occurrences in the given array step on Asha walking through Find k numbers with most occurrences in the given array. What happens?

Previous← Find a triplet that sum to a given value in an arrayNextFind maximum value of Sum(i*arr[i]) with only rotations on given array allowed →
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