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Ola Cabs Software Developer Intern Interview Questions and Answers for Freshers
1 interview found
CodingNinjas
I was interviewed in Sep 2020.
2 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 90 mintues
Round difficulty - Medium
Goes good no problem at all exam is between 10 to 11:30.
- Q1. Game of Dominoes Rafiq loves to play with dominoes. On his birthday his father gifted him ‘N’ piles of dominoes, where each pile contains a positive number of d...read more View Answers (3)
- Q2. Pair Sum You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to return the list of all pairs of elements s...read more View Answers (3)
Video Call Round (2 Questions)
Round duration - 90 minutes
Round difficulty - Hard
Goes good no problem at all exam at same time between 10 to 11:30.
- Q1. Technical Question
He started asking what problem i faced in my project and how i deal with it.
Add Answer - Q2. Ninja and Sorted Arrays Ninja has been given two sorted integer arrays/lists ‘ARR1’ and ‘ARR2’ of size ‘M’ and ‘N’. Ninja has to merge these sorted arrays/lists...read more View Answers (2)
Interview Preparation Tips
Tip 1 : Do atleast 1 good projects
Tip 2 : Practice Atleast 300 Questions
Tip 3 : Should be able to explain your project
Tip 1 : Always be true with the resume
Tip 2 : Do not put false things on resume.
Skills evaluated in this interview
Interview questions from similar companies
Anonymous
I applied via Campus Placement and was interviewed in Mar 2024.
2 Interview Rounds
Coding Test Round
Graphs ,arrays , Hashmaps and Heaps
One-on-one Round (2 Questions)
- Q1. Graphs related dfs Add Answer
- Q2. Changes on graph structure View Answers (1)
Skills evaluated in this interview
1 Interview Round
Technical Round (2 Questions)
- Q1. Design parking lot app View Answers (1)
- Q2. Design parking lot app for blind people View Answers (1)
Skills evaluated in this interview
Hurrr Phurrr
I applied via Campus Placement and was interviewed in Jul 2021.
4 Interview Rounds
Interview Questions
- Q1. Multi-Level LinkedList sorting
Add Answer
- Q2. Replacement of blank space with %20 in string without using any new string.
View Answers (1)
Interview Preparation Tips
I was interviewed in Jan 2021.
2 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 65 minutes
Round difficulty - Hard
Timing (6pm - 8pm)
Environment was user friendly
As usual the online round had three coding questions and 20 MCQs. This was a pretty easy round and it’s duration was 65 minutes. The round consisted of questions from various domains like Algorithm, Data Structure, Operating System and Aptitude.
- Q1. Find the total number of good Triplets You are given two arrays, ‘ARR1’ and ‘ARR2’ of size ‘N’ and ‘M’. There are two types of good triplets. Type 1: Triplet (i...read more View Answers (2)
- Q2. Split the String You are given a string ‘str’ of ‘N’ lowercase alphabets. Your task is to check whether it is possible to split the given string into three non-...read more View Answers (2)
Video Call Round (2 Questions)
Round duration - 40 minutes
Round difficulty - Medium
- Q1. Check if two trees are Mirror You are given two arbitrary binary trees consisting of N and M number of nodes respectively, your task is to check whether the two...read more View Answers (2)
- Q2. Snake and Ladder You have been given a Snake and Ladder Board with 'N' rows and 'N' columns with the numbers written from 1 to (N*N) starting fr...read more View Answers (1)
Interview Preparation Tips
Tip 1 : Must do questions from GFG.
Tip 2 : SDE sheet of striver can be helpful.
Tip 1 : Do at least 3 major web dev project
Tip 2 : should be precise and descriptive
Tip 3 : also add your past experiences in the resume
Skills evaluated in this interview
I was interviewed before Sep 2020.
2 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 30 minutes
Round difficulty - Easy
2 easy problems for coding.
- Q1. All Prime Numbers less than or equal to N You are given a positive integer 'N'. Your task is to return all the prime numbers less than or equal to the &...read more View Answers (4)
- Q2. Absolute difference in an array You are given an array/list 'ARR' consisting of 'N' non - negative integers. Your task is to return the running ...read more View Answers (2)
Video Call Round (1 Question)
Round duration - 30 minutes
Round difficulty - Hard
Face to face interview, design and coding involved.
- Q1. DBMS Question
Given a database of some records. Read records from there and using a formula, calculate maximum speed of cars.
View Answers (1)
Interview Preparation Tips
Tip 1 : Never leave any topic from any chapter / Subject
Tip 2 : Learn to explain your thoughts well
Tip 3 : Learn from previous experiences / interviews / problems asked.
Tip 4 : Atleast 4 projects in Resume
Tip 1 : Atleast 4 projects on Resume
Tip 2 : Do not write false things. You always get caught. Be genuine.
Skills evaluated in this interview
I was interviewed in Dec 2020.
3 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 90 minutes
Round difficulty - Easy
This round had 2 coding problems and we had to code it on hackerearth only.
The use of Outside IDE was forbidden.
The timing of test was 12:00 PM to 1:30 PM.
- Q1. Meeting Ninja is organizing a meeting in an office that starts at a time ‘0’ and will end at a time ‘LAST’. There are ‘N’ presentations that are going to take p...read more View Answers (2)
- Q2. Total Unique Paths You are present at point ‘A’ which is the top-left cell of an M X N matrix, your destination is point ‘B’, which is the bottom-right cell of ...read more View Answers (4)
Coding Test Round (2 Questions)
Round duration - 90 minutes
Round difficulty - Medium
This round was coding round with discussion .
The interviewer tried to trick the questions and wanted to test how we respond if something is asked out of preparation.
The code we ran on Google Docs was checked on Online IDE if it ran for sample inputs.
Timing : 12:00 PM to 1:30 PM
- Q1. Number of operations to make Graph connected You have been given a graph consisting of ‘N’ vertices numbered from 1 to ‘N’. The graph has ‘M’ edges. In an opera...read more View Answers (2)
- Q2. Snake and Ladder You have been given a Snake and Ladder Board with 'N' rows and 'N' columns with the numbers written from 1 to (N*N) starting fr...read more View Answers (1)
Coding Test Round (1 Question)
Round duration - 75 minutes
Round difficulty - Hard
This was a problem solving round and lasted for 75 minutes. The interviewer gave me a very complicated question.
The round was held on Google Meet and I was supposed to tell him the approach and write code on shared Google Docs.
- Q1. XOR Query Assume you initially have an empty array say ‘ARR’. You need to return the updated array provided that some ‘Q’ number of queries were performed on th...read more View Answers (3)
Interview Preparation Tips
Tip 1 : prepare all Topics from Coding Ninjas of Course Competitive Programming. Also I practiced atleast one question everyday from sites like Leetcode,Interviewbit and also took part in Codeforces Contest.
Tip 2 : Though Data Structure is the base for any tech interview, one must know some other subjects as well like Operating System, Networking, and Database Management System for which I took help from Coding Ninja’s notes and from GeeksforGeeks.
Tip 1 : Keep your resume up to date and mention 2-3 good level projects which will give a good impression to the interviewer .
Tip 2 : Don't put false things on the resume.
Skills evaluated in this interview
I applied via Unstop and was interviewed in Dec 2023.
2 Interview Rounds
DSA Round (2 Questions)
- Q1. Valid BT or not Add Answer
- Q2. Make complete row and column zero in a matrix for each element that is already 0 View Answers (1)
Coding Test Round
Similar to Round 1 but more hard questions
Interview Preparation Tips
Focus more on explaining than solving.
Skills evaluated in this interview
Interview Preparation Tips
College Name: Thapar University, Patiala
I was interviewed before Sep 2020.
1 Interview Round
Video Call Round (2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
6 students from the campus were selected for this round. The interviews were conducted simultaneously for all on BlueJeans along with a code sharing website. After the initial set up and introduction, a set of 2 questions from DSA were asked from all candidates. The results were announced the same day.
- Q1. DFS Traversal Given an undirected and disconnected graph G(V, E), containing 'V' vertices and 'E' edges, the information about edges is given us...read more View Answers (1)
- Q2. Median of two sorted arrays You are given two sorted arrays 'A' & 'B' of sizes 'N' & 'M'. You need to find the median o...read more View Answers (4)
Interview Preparation Tips
Tip 1 : Practice an ample amount of questions from online sites like GeeksforGeeks and HackkerRank on all major topics. Once you are done with topicwise preparation, go on and try out some timed tests too.
Tip 2 : Don't forget to revise OOPS, OS, DBMS too.
Tip 3 : Try out mock interviews with friends, that's the best thing you can do for yourself other than practising questions!!
Tip 4 : During the interview, one thing that is asked for sure is the time complexity of your solution, so always know the complexity of your algorithms.
Tip 1 : Have your projects clearly mentioned and well explained
Tip 2 : Make sure that there are no formatting errors
Tip 3 : Mention your LinkedIn profile ;)
Skills evaluated in this interview
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