Skip to content
Related Articles

Related Articles

Improve Article

One97 Interview Experience | Set 3 (Backend/Node js Developer)

  • Difficulty Level : Basic
  • Last Updated : 16 Jul, 2021

Round 1 
Q1. Multiply two 2d matrices 

Q2 You are given a stack in which elements are filled at runtime. And standard push and pop operation. Now write a function in which you minimum element in the stack at any particular instance. 

Round 2 
Q1 Given an array of size, n contains elements from 1 to n in any order(unsorted). Now one element is duplicate. Find that element without using extra space. 

Q2 Given an array that contains the repeated element in consecutive order. Now write a recursive function that removes successive pieces from the collection. 

Q3 Given an array, find subarray, which has zero-sum. 



Q4 Some talk on node js. and its event-driven model. Why we use Nginx as a proxy server. 

Q5. Find the number of unique visitors on a website having traffic up to 0.5 million daily(let’s say). How will your number of unique visitors? 

Q6 Given a histogram, find the maximum area of a rectangle. 

If you like GeeksforGeeks and would like to contribute, you can write an article and mail your article to review-team@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.  

https://practice.geeksforgeeks.org/company/Paytm/

 

Attention reader! Don’t stop learning now. Get hold of all the important DSA concepts with the DSA Self Paced Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more, please refer Complete Interview Preparation Course. In case you are prepared, test your skills using TCS, Wipro, Amazon. GoogleE-Litmus and Microsoft Test Serieses.

My Personal Notes arrow_drop_up
Recommended Articles
Page :