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DSA · Theory

Closest greater or same value on left side for every element in array

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Theory

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Closest greater or same value on left side for every element in array

Closest greater or same value on left side for every element in array is a DSA topic. In plain words you use it for a short Closest greater or same value on left side for every element in array example in a short dry-run on paper. Don’t start with a slogan — start with that picture.

Smallest example: the smallest Closest greater or same value on left side for every element in array example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Closest greater or same value on left side for every element in array.

From the example next to this theory: Closest greater or same value on left side for every element in array — arrays give O(1) index access; matrices are arrays of arrays.

Trap: only saying “Closest greater or same value on left side for every element in array” with no example. Fix that before you talk about advanced DSA.

Viva: what is Closest greater or same value on left side for every element in array? Then show the smallest Closest greater or same value on left side for every element in array example you can type. Then name the trap.

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

What is Closest greater or same value on left side for every element in array? Show this: the smallest Closest greater or same value on left side for every element in array example you can type. Trap: only saying “Closest greater or same value on left side for every element in array” with no example.

Example

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

Closest greater or same value on left side for every element in array — arrays give O(1) index access; matrices are arrays of arrays.

Short notes

  • DefClosest greater or same value on left side for every element in array — a short Closest greater or same value on left side for every element in array example in a short dry-run on paper.
  • Rulethe smallest Closest greater or same value on left side for every element in array example you can type
  • Traponly saying “Closest greater or same value on left side for every element in array” with no example
  • Usea short dry-run on paper

Questions

1

What is Closest greater or same value on left side for every element in array?

2

Give one small example of Closest greater or same value on left side for every element in array.

3

What mistake do beginners make with Closest greater or same value on left side for every element in array?

4

Where do you use Closest greater or same value on left side for every element in array?

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