Young Men Christian Association (YMCA)
Faridabad, Haryana
What if you can't knock at your Young Men Christian Association (YMCA) seniors' door for advice? Read their placement interview questions and crack your next interview. 🏆
Filter interviews byYoung Men Christian Association (YMCA) Placement Interview Questions
Updated
23 Jun 2024
6 interviews found
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I was interviewed in Aug 2021.
4 Interview Rounds
1
Coding Test Round (2 Questions)
Round duration - 90 Minutes
Round difficulty - Easy
Online Coding Round
- Q1. Shortest Path In A Binary Maze Given a maze in the form of a binary rectangular matrix of size M*N, where each element can either be 0 or 1, the task is to find...read more
- Q2. Connect N Ropes With Minimum Cost You have been given 'N' ropes of different lengths, we need to connect these ropes into one rope. The cost to connect ...read more
2
Video Call Round (2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
Problem Solving and Data Structures round.
- Q1. Anagram Pairs Pre-requisites: Anagrams are defined as words or names that can be formed by rearranging letters of another word. Such as "spar" can be...read more
- Q2. Count Inversions For a given integer array/list 'ARR' of size 'N' containing all distinct values, find the total number of 'Inversions' ...read more
3
Video Call Round (1 Question)
Round duration - 60 Minutes
Round difficulty - Medium
DSA and Problem Solving
- Q1. Minimum Window Subsequence You are given two strings ‘S’ and ‘T’. Your task is to find the minimum (Contiguous) substring ‘W’ of ‘S’, such that ‘T’ is a subsequ...read more
4
Video Call Round (3 Questions)
Round duration - 75 Minutes
Round difficulty - Easy
Deep discussions about projects about the tech stack used and why it is used . In depth subject questions .
- Q1. System Design Question
What is LRU cache and how it is implemented.?
- Q2. DBMS Questions
Difference between NOSQL and SQL DataBases , in what scenario we should used SQL and NoSQL?
- Q3. Operating System Questions What are semaphores , What are mutexes , explain difference between them, What is multithreading , explain a scenario where you may n...read more
Interview Preparation Tips
Professional and academic backgroundI completed Information Technology from J.C. Bose University of Science and Technology, YMCA. I applied for the job as SDE - 1 in GurgaonEligibility criteriaNAAmazon interview preparation:Topics to prepare for the interview - Data Structures , Algorithms, OOPS, Computer Networks, Data Base Management System , Operating SystemsTime required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers
Tip 1 : Practice all previous amazon interview questions
Tip 2 : Study Well about your projects about databases used and the reason they are used.
Tip 1 : Well defined projects in resume
Tip 2 : Problem solving/Open source skills are a plus
Top skills recommended for Amazon Software Developer interview
Insights by AmbitionBox
- Java
- C++
- Python
- Algorithms
- C
- Data Structures
- High level design
- Coding
I was interviewed in Dec 2020.
3 Interview Rounds
1
Coding Test Round (2 Questions)
Round duration - 180 Minutes
Round difficulty - Hard
This was an online technical round on the SHL platform. The link of the test was shared to us around 3 PM.
There were 4 sections and each section had limited time. You can NOT go back to the question you have already attempted.
The webCam was not on.
Section 1: Automata/ Debugging
Section 2: Coding
Section 3: Amazon Principles/Personality Based
Section 4: Aptitude/Verbal
- Q1. Favourite Operation Ninja has recently studied operators ‘AND’ and ‘XOR’. His teacher gave him an assignment related to the two operators but Ninja is taking a ...read more
- Q2. Critical Connection You are given a network with ‘N’ system nodes [0 to N - 1] and ‘M’ connection. Your task is to find out all critical connections in a given ...read more
2
Video Call Round (1 Question)
Round duration - 50 Minutes
Round difficulty - Easy
Time: 9 am to 10 am
Mode of Interview: Amazon Chime Video
LiveCode: To write code, it was not a compiler.
The interviewer was very nice.
- Q1. Product Of Array Except Self You have been given an integer array/list (ARR) of size N. You have to return an array/list PRODUCT such that PRODUCT[i] is equal t...read more
3
Video Call Round (1 Question)
Round duration - 50 Minutes
Round difficulty - Medium
Time: 3 pm to 4 pm
Mode of Interview: Amazon Chime Video
LiveCode: To write code, it was not a compiler
The interviewer was time adamant and not very supportive. A shadow interviewer was also there.
- Q1. LRU Cache Implementation Design and implement a data structure for Least Recently Used (LRU) cache to support the following operations: 1. get(key) - Return the...read more
Interview Preparation Tips
Professional and academic backgroundI completed Information Technology from J.C. Bose University of Science and Technology, YMCA. Eligibility criteriaAbove 7 CGPAAmazon interview preparation:Topics to prepare for the interview - LinkedList, Trees, Graphs, Dynamic Programming, Arrays, DBMS, OS, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers
Tip 1 : Practice different and quality questions from LeetCode, Interviewbit.
Tip 2 : Prepare subjects like OS, OOPS, DBMS.
Tip 1 : Keep it short and attractive.
Tip 2 : Be confident about everything you write in your resume.
Top skills recommended for Amazon Software Developer Intern interview
Insights by AmbitionBox
- Development
- Distribution System
- Machine Learning
- Software Development
- System Design
- Troubleshooting
- ARM
- Architecture
I was interviewed before Sep 2020.
5 Interview Rounds
1
Coding Test Round (2 Questions)
Round duration - 90 minutes
Round difficulty - Medium
- Q1. String Transformation Given a string (STR) of length N, you have to create a new string by performing the following operation: Take the smallest character from...read more
- Q2. Count derangements A Derangement is a permutation of ‘N’ elements, such that no element appears in its original position. For example, an instance of derangeme...read more
2
Video Call Round (4 Questions)
Round duration - 60 minutes
Round difficulty - Medium
1 hour online interview.
Slot was given prior via email.
The HR contacted me via email and simultaneously provided me a link where I had to write the codes during my interview
- Q1. Mike and Mobile Mike is a little boy who loves solving math problems. One day he was playing with his mom’s mobile. The mobile keypad contains 12 buttons { 10 ...read more
- Q2. Maximum Subarray Sum Given an array of numbers, find the maximum sum of any contiguous subarray of the array. For example, given the array [34, -50, 42, 14, -5,...read more
- Q3. Maximum sum of non-adjacent elements You are given an array/list of ‘N’ integers. You are supposed to return the maximum sum of the subsequence with the constr...read more
- Q4. Trapping Rainwater You have been given a long type array/list 'ARR' of size 'N'. It represents an elevation map wherein 'ARR[i]' denotes...read more
3
Video Call Round (2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
- Q1. Strongly Connected Components (Tarjan’s Algorithm) You are given an unweighted directed graph of 'V' vertices and 'E' edges. Your task is to pri...read more
- Q2. Selling Stock You have been given stock values/prices for N number of days. Every i-th day signifies the price of a stock on that day. Your task is to find the ...read more
4
Video Call Round (2 Questions)
Round duration - 60 minutes
Round difficulty - Easy
This was a one hour round in which I was first told to introduce myself and then moved to questions.
- Q1. Permutation in String You have been given two strings ‘str1’ and ‘str2’ of length N and M respectively. Your task is to check whether string ‘str2’ contains one...read more
- Q2. Sort 0 1 2 You have been given an integer array/list(ARR) of size 'N'. It only contains 0s, 1s and 2s. Write a solution to sort this array/list. Note :...read more
5
Video Call Round (1 Question)
Round duration - 60 minutes
Round difficulty - Medium
This was based more on my communication skills rather than my technical skills. The interviewer didn't only focus on whether I knew the answer or not but if I was able to communicate my knowledge to the interviewer.
It was more of theory based interview
Questions are as follows:-
1. What are SQL and acid properties?
2. How does a website start?
3. What are deadlocks with real life examples? Give necessary conditions for deadlock.
-> Real life examples were must.
4. What is virtual function?
5. Tell me the most challenging this while you made your project. ( I had to pick my project on my own)
6. Tell me the most interesting feature you found working on a language.
7. Technical question on structures in C as I used it in my project. The interviewer asked if the structure for a linked list is changed as:-
struct node
{
int data;
struct next;
};
I explained how this won't work as struct will be created again and again which will lead to memory limit exceeded.
- Q1. Delete alternate nodes Given a Singly Linked List of integers, delete all the alternate nodes in the list. Example: List: 10 -> 20 -> 30 -> 40 -> 50...read more
Interview Preparation Tips
Professional and academic backgroundI completed Information Technology from J.C. Bose University of Science and Technology, YMCA. Eligibility criteriaNo backlogsAmazon interview preparation:Topics to prepare for the interview - Dynamic programming, Algorithms, OOPS, Data Structures, Operating SystemTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers
Tip 1 : Listen carefully to what the interviewer expects from you.
Tip 2 : Practice at least 300 questions, topic wise.
Tip 3 : Do participate in contests.
Tip 1 : Be true on your resume.
Tip 2 : Make your resume crisp and clear.
Top skills recommended for Amazon Software Developer interview
Insights by AmbitionBox
- Artificial Intelligence
- Automation
- Business Services
- Computer Vision
- Computer science
- Data Processing
- Deployment
- Design
Interview experience
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Yes, I joined the company
I applied via Campus Placement and was interviewed before Sep 2022.
4 Interview Rounds
1
Resume Shortlist Round
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
2
Coding Test Round
Difficult level medium
3
One-on-one Round (1 Question)
- Q1. Lru cache using hashmap and doubly linked list
4
One-on-one Round (1 Question)
- Q1. Hotel bookings possible question from interviewbit
Interview Preparation Tips
Interview preparation tips for other job seekers - take help from interviewer by discussinf solution
Top skills recommended for Amazon Software Developer interview
Insights by AmbitionBox
- Design Patterns
- Framework Design
- Hibernate
- Image Processing
- Kernel
- Linux Kernel
- Medical Imaging
- Natural Language Processing
I was interviewed before Sep 2020.
3 Interview Rounds
1
Coding Test Round (2 Questions)
Round duration - 90 minutes
Round difficulty - Medium
- Q1. Count Inversions For a given integer array/list 'ARR' of size 'N', find the total number of 'Inversions' that may exist. An inversion is...read more
- Q2. Evaluation of postfix expression An expression is called the postfix expression if the operator appears in the expression after the operands. Example : Infix ex...read more
2
Video Call Round (2 Questions)
Round duration - 40 minutes
Round difficulty - Medium
- Q1. Rearrange String You are given a string of lowercase characters. Your task is to rearrange (reorder) the string in such a way that no two adjacent characters ar...read more
- 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 ...read more
3
Video Call Round (2 Questions)
Round duration - 40 minutes
Round difficulty - Medium
- Q1. Find Number of Islands You are given a 2-dimensional array/list having N rows and M columns, which is filled with ones(1) and zeroes(0). 1 signifies land, and ...read more
- Q2. Count triplets in a sorted doubly linked list whose sum is equal to a given value x You are given a sorted doubly linked list of distinct nodes that means no t...read more
Interview Preparation Tips
Professional and academic backgroundI completed Information Technology from J.C. Bose University of Science and Technology, YMCA. Eligibility criteriaCgpa above 7Amazon interview preparation:Topics to prepare for the interview - Array, Strings, Graph, Linked list, DP, Greedy, Trees, Binary search, Two-pointersTime required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers
Tip 1 : Prepare application part of topics like graph other than the general questions.
Tip 2 : Prefer Leetcode for solving questions.
Tip 3 : Practice as many questions as possible from topic arrays.
Tip 1 : Add stuff you really have good knowledge about.
Tip 2 : Use the point-wise format for filling any area (eg: Brief explanation of projects).
Top skills recommended for Amazon Software Developer interview
Insights by AmbitionBox
- OOP
- Object Oriented Programming
- Operations
- Pattern Recognition
- Problem Solving
- Project Delivery
- Quality
- SDET
I was interviewed before Sep 2020.
3 Interview Rounds
1
Coding Test Round (2 Questions)
Round duration - 90 Minutes
Round difficulty - Easy
The round was scheduled at 10 AM on 2nd August, 2019, But it started a little late due to some issues in Lab devices. The test started in a full screen mode and no one was allowed to exit full screen mode.
- Q1. Remainder When Divided By 11 You are given a number N. You need to find the remainder when N is divided by 11. Note : Number N may be very large. Input format ...read more
- Q2. Missing Number You are given an array/list ‘BINARYNUMS’ that consists of ‘N’ distinct strings which represent all integers from 0 to N in binary representation ...read more
2
Face to Face Round (2 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
It was a F2F interview. The interviewer was very friendly and was working as an SDE II in Consumers team. He started with quick intro of himself and then asked mine. Then jumped into coding question. He was monitoring my every single activity throughout the interview and told me ignore whenever I type something on my laptop.
- Q1. Fish Eater There is a river which flows in one direction. One day, the river has 'N' number of fishes. You are given an array 'FISHES' of intege...read more
- Q2. Fishmonger A fishmonger wants to bring his goods from port to the market. On his route, he has to traverse an area with many states. He has to pay a toll at eac...read more
3
Face to Face Round (2 Questions)
Round duration - 75 Minutes
Round difficulty - Medium
It was a F2F interview. The interviewer was very friendly and was working as an SDE III in Payments team. He started with quick intro of himself and then asked mine. He asked me about the project I mentioned in my resume and some questions regarding the project. Then jumped into coding question. He was monitoring my every single activity throughout the interview.
- Q1. Battalions and tanks Let there be ‘N’ battalions of soldiers and ‘M’ tanks. You are also given an array/list of length ‘N’ whose i-th index denotes the number o...read more
- Q2. Diagonal Traversal of a binary tree. You have been given a binary tree of integers. You are supposed to find the diagonal traversal(refer to Example) of the giv...read more
Interview Preparation Tips
Professional and academic backgroundI completed Computer Science Engineering from J.C. Bose University of Science and Technology, YMCA. I applied for the job as SDE - Intern in BangaloreEligibility criteriaCGPA > 6 and not from Mechanical and Electrical Engineering,Amazon interview preparation:Topics to prepare for the interview - Data structures and Algorithms, Computer Networks, Operating Systems, Web TechnologiesTime required to prepare for the interview - 6 MonthsInterview preparation tips for other job seekers
Tip 1 : Understand the concept for any algorithm you are studying, focus on how things are working even in single line of code, if you do that number of questions doesn't matter.
Tip 2 : Don't get confuse while choosing which online platform is good and which one is bad, Every platform has enough resources to crack any interview. Just make sure you completely finish atleast one platform. If you like CP then start practicing on SPOJ/Codeforces/TopCoder/CodeChef.
Tip 1 : Be confident about every single word written in your resume.
Tip 2 : Make sure your resume is of 1 page only.
Top skills recommended for Amazon Software Developer Intern interview
Insights by AmbitionBox
- Java
- C++
- Python
- Algorithms
- C
- Data Structures
- High level design
- Coding
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