#Optimization

Given an array of integers representing the heights of barriers, compute how much water can be trapped after raining. You need to provide an optimized approach that performs better than O(n^2).

Discuss your approach to optimizing a slow SQL query. What steps would you take, and what tools would you use?

Modify a sequence to maximize the longest subsegment of 1s by changing up to k 0s. Solve it using the two-pointer technique.

What are the steps you take to build a React app, and what optimizations can you implement to enhance loading speed?