MangoApps Software Developer Interview Questions and Answers

Q1. What is generator function
Ans. 
A generator function is a special type of function in Python that allows you to pause and resume the execution of a function.
• Generator functions use the 'yield' keyword to return values one at a time, pausing execution between each value.

• They can be used to generate a sequence of values without storing them all in memory at once.

• Generator functions are typically more memory efficient than traditional functions that ret
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Q1. What is Ssr in next js?
Ans. 
SSR stands for Server Side Rendering in Next.js.
• SSR in Next.js allows the server to render the initial HTML of a page before sending it to the client.

• Improves SEO by providing search engines with fully rendered pages.

• Enhances performance by reducing the time to first paint and improving perceived loading speed.
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Q1. Explain basics of c#
Ans. 
C# is a programming language developed by Microsoft for building a wide range of applications on the .NET framework.
• C# is an object-oriented language with features like classes, inheritance, and polymorphism.

• It is strongly typed, meaning variables must be declared with a specific data type.

• C# supports modern programming concepts like async/await for asynchronous programming.

• It is commonly used for developing desktop, w...read more
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Q2. C# basics oops sql server
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Q1. What is virtual dom
Ans. 
Virtual DOM is a concept in web development where a lightweight copy of the actual DOM is created and updated efficiently.
• Virtual DOM is used in frameworks like React to improve performance by minimizing direct manipulation of the actual DOM.

• It allows developers to update only the necessary parts of the UI, reducing the number of expensive DOM operations.

• Changes made to the virtual DOM are compared with the actual DOM,...read more
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Q1. Earlier work experiences
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Q2. Design Patterns
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Basic questions of java and html css javascript

Q1. Oops and some basic coding question like sorting
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Q1. Basic questions about projects and achievements
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Round duration - 120 minutes
Round difficulty - Hard

This round was very difficult. I never do these much difficulty level of coding questions. But i give my best, and just do every questions by using step by step process.

Q1. 
Hourglass Pattern Problem Statement
Given an integer 'N', print an hourglass pattern based on the value of 'N'.
Input:
The first and only line of input contains an integer, denoting the value of N.
Out...read more
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Q2. 
BFS Traversal in a Graph
Given an undirected and disconnected graph G(V, E) where V vertices are numbered from 0 to V-1, and E represents edges, your task is to output the BFS traversal starting from the ...read more
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Q3. 
Sort a Stack Problem Statement
You are given a stack. Your task is to sort the elements within the stack in ascending order using only push and pop operations. You are allowed to use one additional stack ...read more
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Round duration - 90 minutes
Round difficulty - Easy

This round is also coding round in this round we have a small video call interaction too, in which hr ask few questions to only those whose coding question is correct.

Q1. 
Next Smaller Palindrome Problem Statement
You are given a palindrome number represented as a string S. Your task is to find the largest palindrome number that is strictly less than S.
Example:
Input:
T...read more
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Q2. 
Rotting Oranges Problem Statement
You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:
• 0 - representing an empty cell
• 1 - representing a fre...read more
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