suffix array

5 problems

Easy: 0Medium: 0Hard: 5

suffix array is one of the most repeated interview dimensions. Start with edge-safe fundamentals, then move into pattern-level trade-offs.

Interview Signal

Frequently tests problem modeling, edge handling, and verbal clarity.

Common Pitfall

Template-only answers break under follow-up questioning.

Practice Strategy

Practice in 3-5 problem rounds and always review complexity alternatives.

Recommended Progression

Foundation

Pattern Bridge

High-Pressure Round

Problem bank

suffix array problem bank

Start with a compact scan-friendly list and progressively load more so the topic page stays readable even when the corpus is large.

Progressive topic library

Built for large topic sets: scan the structure first, then go deeper.

hourglass_bottomScroll to continue

tuneDifficulty

Showing 5 / 5 problems

#TitleDifficultyCategory

1044

Longest Duplicate Substring

Find the longest duplicated substring in a string using binary search, sliding window, and rolling hash techniques.

Hard

string

1923

Longest Common Subpath

The Longest Common Subpath problem requires finding the longest subpath shared by all paths in a graph using binary sear…

Hard

array

1977

Number of Ways to Separate Numbers

Calculate the number of valid non-decreasing integer sequences from a string using state transition dynamic programming …

Hard

string

2223

Sum of Scores of Built Strings

Calculate the sum of scores of built strings by analyzing longest common prefixes with suffixes in a string using effici…

Hard

string

3213

Construct String with Minimum Cost

This problem asks you to construct a target string using given words at minimal cost using dynamic programming technique…

Hard

array

Related Patterns

Binary search over the valid answer space

3 linked problems

State transition dynamic programming

2 linked problems