Mar 4 • ⚒️ Interview Questions 🛠️
Prefix & Suffix Arrays: The Underrated Shortcuts
When you need to compute cumulative sums or optimize repeated calculations, think about Prefix/suffix arrays.
Examples:
- Calculating range sums in O(1) time
- Solving "Product of Array Except Self"
- Finding longest palindromic substrings
Pro Tip: Look for keywords like "range query", "cumulative", or "without using division"—these often hint at prefix/suffix tricks. Think of it like pre-baking calculations to avoid repetitive work!
Let’s Discuss:
- What’s a problem where prefix/suffix arrays surprised you?
- Do you prefer prefix or suffix arrays for specific scenarios?
- Share a tricky problem that became trivial with these arrays!
How do you spot when to use prefix/suffix arrays? Drop your strategies below!
4
1 comment
Prefix & Suffix Arrays: The Underrated Shortcuts
powered by
skool.com/tech-pro-odyssey-3339
Helping Bootcamp Grads, Self-Taught, and CS Grads Land Jobs in Tech. Learn how to network & automate your job hunt. Earn weekly cash rewards.
Suggested communities
Powered by