Interview Questions

Sumit P. - "CQs: Swiggy? → instamart or food delivery → consider both Why do we want to increase AOV right now? Is it not at the desired level or exploration? → let’s say exploration Swiggy is a public company → goal is profit Biggest bite in profit is delivery cost hence delivery cost/unit revenue should be minimised Delivery cost = (fixed base cost + distance * x) * probability of spoil cases Can be done by Lowering delivery cost → seems challenging "See full answer

Sourav K. - "We can use a pool of memory where each index we can store the parent of current index then we can use same lca approach for array instead of pointers."See full answer

Sue G. - "Race Condition i,e multiple threads modifying simultaneously can lead to data inconsistency Operations like putIfAbsent() or computeIfAbsent() are not atomoic i.e duplicate entries or missing updates when multiple threads perform operations Data Corruption : during resizing of a hashmap by a thread, if another thread is accessing the same data , buckets can get corrupted, leading to a loss of data"See full answer

Vennam A. - "Few follow-up questions Why is this product being built? As a lot of customers don't pay much attention when asked for feedback on a service. It is not their priority to provide feedback Is this feedback for a product or a service? A product What type of product is this? An app on phone? Website? Can be anything My responses below Goal is to ensure that the feedback on products are got. Customer segments are B2B, B2C customers. I have chosen the B2B customers. Problem statements inv"See full answer

Rg - "Used prefix & postfix sums, resetting the product when 0 was found"See full answer

Rudransh V. - "I got it right"See full answer