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solution.js
1. function twoSum(nums, target) {
3. }
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Conversation transcript

How would you scale the queue if the load grew tenfold?

GPT-4.1Senior

Partition the queue by task key and add workers: order holds within each key.

What to say
Screen analysis
Summary

Screen area snapshot

GPT-4.1

One pass with a hash map, O(n) time:

function twoSum(nums, target) {  const seen = new Map();  for (let i = 0; i < nums.length; i++) {    const j = seen.get(target - nums[i]);    if (j !== undefined) return [j, i];    seen.set(nums[i], i);  }}

Design a URL shortener.

Diagram

ClientLoad balancerServiceQueueDatabaseCachereadsclicksmiss

GPT-4.1

Short link reads go through the cache, click stats go to the queue.

Context: resume file

Tell me about a project you are proud of.

Teleprompter

In my last team I moved payments onto an event queue, and payments stopped getting lost at peak load.

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