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DSA · Theory

Kasai's algorithm for construction of LCP array from Suffix array

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Theory

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Kasai's algorithm for construction of LCP array from Suffix array

Kasai's algorithm for construction of LCP array from Suffix array is a DSA topic. In plain words you use it for a short Kasai's algorithm for construction of LCP array from Suffix array example in a short dry-run on paper. Don’t start with a slogan — start with that picture.

Smallest example: the smallest Kasai's algorithm for construction of LCP array from Suffix array example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Kasai's algorithm for construction of LCP array from Suffix array.

From the example next to this theory: Kasai's algorithm for construction of LCP array from Suffix array — arrays give O(1) index access; matrices are arrays of arrays.

Trap: only saying “Kasai's algorithm for construction of LCP array from Suffix array” with no example. Fix that before you talk about advanced DSA.

Viva: what is Kasai's algorithm for construction of LCP array from Suffix array? Then show the smallest Kasai's algorithm for construction of LCP array from Suffix array example you can type. Then name the trap.

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

What is Kasai's algorithm for construction of LCP array from Suffix array? Show this: the smallest Kasai's algorithm for construction of LCP array from Suffix array example you can type. Trap: only saying “Kasai's algorithm for construction of LCP array from Suffix 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

Kasai's algorithm for construction of LCP array from Suffix array — arrays give O(1) index access; matrices are arrays of arrays.

Short notes

  • DefKasai's algorithm for construction of LCP array from Suffix array — a short Kasai's algorithm for construction of LCP array from Suffix array example in a short dry-run on paper.
  • Rulethe smallest Kasai's algorithm for construction of LCP array from Suffix array example you can type
  • Traponly saying “Kasai's algorithm for construction of LCP array from Suffix array” with no example
  • Usea short dry-run on paper

Questions

1

What is Kasai's algorithm for construction of LCP array from Suffix array?

2

Give one small example of Kasai's algorithm for construction of LCP array from Suffix array.

3

What mistake do beginners make with Kasai's algorithm for construction of LCP array from Suffix array?

4

Where do you use Kasai's algorithm for construction of LCP array from Suffix array?

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