Shanghai Yuyuan Tourist Mart Interview Questions and Answers

Q1. Design a minimum stack that supports the following operations: push, pop, top, and retrieving the minimum element in constant time.
Ans. 
Design a stack that supports push, pop, top, and retrieving minimum element in constant time.
• Use two stacks - one to store the actual elements and another to store the minimum values encountered so far

• When pushing an element, check if it is smaller than the current minimum and if so, push it to the minimum stack

• When popping an element, check if it is the current minimum and if so, pop from the minimum stack as well

• Top ...read more
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Q2. Given an integer array of size n, find the maximum circular subarray sum. A circular array means that the end of the array connects back to the beginning. The solution should consider both the non-circular...read more
Ans. 
Find the maximum circular subarray sum in an integer array.
• Calculate the non-circular maximum subarray sum using Kadane's algorithm.

• Calculate the circular maximum subarray sum by subtracting the minimum subarray sum from the total sum.

• Compare the non-circular and circular maximum subarray sums to get the overall maximum sum.
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Apt questions and some Java related questions

Q1. Difference between Abstract and Interface class in Java
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Q2. Difference between Intent and Intent filter
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Q1. What is the format and content of the written test related to this job?
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Q1. Tell me about yourself
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Q2. What is ratio analysis
Ans. 
Ratio analysis is a financial tool used to evaluate a company's performance by analyzing relationships between financial variables.
• Ratio analysis involves comparing different financial ratios to assess a company's financial health and performance.

• It helps in identifying trends, strengths, weaknesses, and potential areas of improvement.

• Common ratios used in ratio analysis include liquidity ratios, profitability ratios, ...read more
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Q1. What is your highest qualification?
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Q2. How year experience do you have?
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Q1. What is the JIT systems?
Ans. 
JIT systems stands for Just-In-Time systems, which is a production strategy aimed at reducing waste and improving efficiency by receiving goods only as they are needed in the production process.
• JIT systems involve receiving goods only as they are needed in the production process

• Helps in reducing inventory costs and waste

• Requires close coordination with suppliers to ensure timely delivery of materials

• Popularized by comp
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Q2. What is FIFO method?
Ans. 
FIFO stands for First In, First Out. It is a method used for inventory management where the oldest stock is sold first.
• FIFO ensures that the oldest inventory items are used or sold first before the newer ones.

• This method is commonly used in industries like retail, food, and manufacturing.

• For example, if a store receives new stock of a product, the older stock will be sold first to prevent expiration or obsolescence.
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Q1. What is your name?
Ans. 
My name is John Smith.
• My first name is John.

• My last name is Smith.

• I go by the name John Smith.
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Q2. Your branch in college?
Ans. 
I majored in Business Administration with a focus on Operations Management.
• Studied courses like Supply Chain Management, Production Planning, and Inventory Control

• Participated in case competitions related to optimizing production processes

• Completed internships at manufacturing companies to gain hands-on experience
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Q3. What is your fathers name?
Ans. 
My father's name is John Smith.
• His first name is John.

• His last name is Smith.

• He goes by the name John Smith.

• He is known as Mr. Smith in his workplace.
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Q4. Write a sql code for having
Ans. 
SQL code for having clause
• Use the HAVING clause to filter groups based on aggregate functions

• It is used with the GROUP BY clause

• Example: SELECT department, AVG(salary) FROM employees GROUP BY department HAVING AVG(salary) > 50000;
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Q5. What is the difference between where and having
Ans. 
WHERE is used to filter rows before grouping or aggregating, while HAVING is used to filter groups after grouping or aggregating.
• WHERE is used with SELECT, UPDATE, DELETE statements to filter rows based on a condition

• HAVING is used with GROUP BY clause to filter groups based on a condition

• WHERE is applied before the grouping operation, while HAVING is applied after the grouping operation
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Find out no of occurrence of character and spaces in given string

Q1. Walk me through your cv and salary expectations
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Q1. Manager Round What is your experience? What do you know about this role? Family background
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Q1. Senior Manager Round What have you dine in your previous organisation? Your understanding for this role Why you want to leave your last company? What are your strengths? Family background Tell me a point w...read more
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Q1. Give me a sample of a data -related user story
Ans. 
As a user, I want to view my monthly expenses in a chart format to track my spending.
• User can input their expenses for each category

• System generates a chart showing the breakdown of expenses by category

• User can view the chart on a monthly basis
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Q2. If dev team does not know how to size a story, how would you go about helping them size it?
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Q1. Walk through your experience as a Product Owner
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