Pando Interview Questions and Answers

Two questions that I solved in JavaScript: one on arrays and the other on binary search.

Q1. In the DSA round, I was asked to write code to determine whether two rectangles intersect, given the top left corner, length, and breadth of both rectangles.
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Q2. Next was to check whether two circles intersect, given their radii and centers?
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To check if two circles intersect, compare the distance between their centers to the sum of their radii.
• Calculate the distance between the centers of the two circles using the distance formula: sqrt((x2 - x1)^2 + (y2 - y1)^2)

• If the distance between the centers is less than the sum of the radii, the circles intersect

• If the distance between the centers is equal to the sum of the radii, the circles touch at one point

• If th...read more
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2 simple coding question

Q1. Introduction and procjects and internships any previous
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Q2. DSA PREPARE WELL BASIS LEVEL
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Q1. Pointless basic questions is what they asked
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Q1. They had this round for hours together
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2 coding questions related to arrays, strings and matrix.

Q1. Given an expression string exp, write a program to examine whether the pairs and the orders "{"."}","(",")","[","]" are correct in the expression given.
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Q2. The Next greater Element for an element x is the first greater element on the right side of x in the array. For elements for which no greater element exists, consider the next greater element as -1. Input:...read more
Ans. 
Find the next greater element for each element in the array.
• Iterate through the array from right to left.

• Use a stack to keep track of elements with no greater element found yet.

• Pop elements from the stack until a greater element is found or stack is empty.

• Store the next greater element for each element in a result array.
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Q1. Features of python, difference between java and python, modules in python, oops concepts, classes and objects,etc.
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Python is a versatile programming language known for its simplicity and readability. It supports multiple programming paradigms and has a vast standard library.
• Python features include dynamic typing, automatic memory management, and support for multiple programming paradigms like procedural, object-oriented, and functional programming.

• Python is known for its readability and simplicity, making it a popular choice for be...read more
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Q2. Types of databases, sql queries,etc.
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Types of databases include relational, NoSQL, and NewSQL. SQL queries are used to interact with relational databases.
• Relational databases store data in tables with rows and columns, using SQL for querying (e.g. MySQL, PostgreSQL)

• NoSQL databases store data in flexible, non-tabular formats and do not require a fixed schema (e.g. MongoDB, Cassandra)

• NewSQL databases combine the scalability of NoSQL with the ACID properties...read more
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