Como se preparar para entrevistas na Brex

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Design Twitter

Design a social media platform similar to Twitter but incorporating Amazon-style product features such as product recommendations, shopping integration, or e-commerce functionality.

Leetcode 1. Two Sum

Given an array of integers and a target, return the indices of two distinct elements whose values sum to the target (exactly one valid solution exists). The core challenge is efficiently finding complementary values (aiming for better than O(n^2) brute force).

Tell me about a situation that required you to dig deep to get to the root cause.

Design CamelCamelCamel

Design a price tracking system like CamelCamelCamel that allows users to monitor product prices across e-commerce platforms, set price alerts, and view historical price data.

Round Robin Algorithm: Debugging and Testing

Debug and complete the implementation of a traffic router using the round robin algorithm. Identify and fix any bugs in the existing code, ensure all tests pass, and write additional tests to cover edge cases.