Chang Yi Interconnect Technology Interview Questions and Answers

Round duration - 60 minutes
Round difficulty - Medium

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 1:00 PM.

Q1. 
Merge Overlapping Intervals Problem Statement
Given a specified number of intervals, where each interval is represented by two integers denoting its boundaries, the task is to merge all overlapping interv...read more
Ans. 
Merge overlapping intervals and return sorted list of merged intervals.
• Iterate through intervals and merge overlapping ones

• Sort merged intervals based on starting times

• Handle edge cases like empty input or single interval

• Use a data structure like list or array to store merged intervals
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Q2. 
Search In Rotated Sorted Array Problem Statement
Given a rotated sorted array ARR of size 'N' and an integer 'K', determine the index at which 'K' is present in the array.
Note:
1. If 'K' is not present...read more
Ans. 
Given a rotated sorted array, find the index of a given integer 'K'.
• Use binary search to find the pivot point where the array is rotated.

• Based on the pivot point, perform binary search on the appropriate half of the array to find 'K'.

• Handle cases where 'K' is not present in the array by returning -1.
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Round duration - 60 minutes
Round difficulty - Medium

This was an Online F2F Technical Round conducted on CodePair : Hackerearth. So, Basically You have to Run and Submit ( Pass All Test cases) in the Interview Round also (Like normal Coding Test) in Hackerearth & along with that You should have to explain your Code and Approach to the Interviewers.
The Interviewers were helpful and didn't hesitate in giving hints.
Timing - 11:00 A.M to 12:00 P.M

Q1. 
Minimum Fountains Activation Problem
In this problem, you have a one-dimensional garden of length 'N'. Each position from 0 to 'N' has a fountain that can provide water to the garden up to a certain range...read more
Ans. 
Find the minimum number of fountains to activate to water the entire garden.
• Iterate through the array to find the coverage of each fountain.

• Keep track of the farthest coverage reached by activating fountains.

• Activate the fountain that covers the farthest point not yet covered.

• Repeat until the entire garden is watered.
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Q2. 
Bellman Ford Shortest Path Problem
Given a directed weighted graph comprised of vertices labeled 1 to N and M edges, where each edge connects two nodes u and v with a weight w representing the distance be...read more
Ans. 
Bellman Ford algorithm is used to find the shortest path in a graph with negative weights.
• Initialize distances from source to all vertices as infinity, and distance to source as 0.

• Relax all edges V-1 times to find shortest path.

• If any distance is updated in Vth iteration, then there is a negative weight cycle.

• Return the distance to destination vertex after V-1 iterations.

• Example: For the given graph, shortest path from
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Round duration - 30 minutes
Round difficulty - Easy

This was a Google Meet Video Call. The HR was friendly and asked basic questions.
The timing was 2:00 PM to 2:30 PM.

Q1. Current roles annd responsibilities and core competencies related questions
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Q1. Connectors, RoHS and REACH, CAPA
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Q1. Mostly about .Net, AWS, Angular
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Q1. Mostly about AWS, .Net
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Q1. Behavioral Round + Salary Discussion
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Q1. What happens in the backend when we cret an object in Java? What should be done before creating the method body in Java?
Ans. 
When an object is created in Java, memory is allocated in the heap for the object and its instance variables.
• Memory is allocated in the heap for the object and its instance variables

• Constructor is called to initialize the object

• Reference to the object is returned
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Q1. Explain the working of Springboot and microservices. What can and cannot be done when using Final keyword in Java?
Ans. 
Springboot is a framework for building Java applications, while microservices is an architectural style for developing applications as a collection of small services.
• Springboot simplifies the development of Java applications by providing a set of pre-configured tools and frameworks.

• Microservices architecture breaks down applications into smaller, independent services that can be developed, deployed, and scaled independ...read more
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Q1. Sales pitch for the product
Ans. 
Our product is a revolutionary software that streamlines sales processes and boosts productivity.
• Increase sales efficiency by automating repetitive tasks

• Improve customer engagement with personalized communication

• Track sales performance with real-time analytics

• Easy integration with existing CRM systems

• Cost-effective solution for small and large businesses
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Q1. Brief me about the Material Management process
Ans. 
Material management process involves planning, organizing, and controlling the flow of materials from acquisition to consumption.
• Includes procurement, storage, inventory control, and distribution of materials

• Ensures timely availability of materials while minimizing costs

• Involves forecasting demand, monitoring inventory levels, and optimizing supply chain

• Example: Just-in-time inventory management system
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Q2. Brief me about the Invoice process
Ans. 
The invoice process involves generating and sending bills for goods or services provided to customers.
• Invoices are typically created using accounting software or templates.

• They include details such as the products or services provided, quantities, prices, and payment terms.

• Invoices are sent to customers either electronically or by mail.

• Customers are expected to pay the invoice within a specified timeframe.

• Late payments
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Q1. Brief me about the invoice process
Ans. 
The invoice process involves creating, sending, and tracking invoices for goods or services provided.
• Invoices are typically generated by the seller and sent to the buyer for payment.

• They include details such as the products or services provided, quantities, prices, and payment terms.

• Invoices may be sent via mail, email, or through online invoicing platforms.

• Tracking invoices involves monitoring payment status, followin...read more
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Q2. Brief me about Material Mgmt Process
Ans. 
Material management process involves planning, organizing, and controlling the flow of materials from acquisition to disposal.
• Includes procurement, inventory management, storage, and distribution

• Ensures timely availability of materials while minimizing costs

• Utilizes tools like ERP systems for efficient tracking and management

• Example: Just-in-time inventory system in manufacturing
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