Razorpay SDE (Software Development Engineer) Interview Questions and Answers

Round duration - 60 Minutes
Round difficulty - Medium

Q1. 
Palindrome String Validation
Determine if a given string 'S' is a palindrome, considering only alphanumeric characters and ignoring spaces and symbols.
Note:
The string 'S' should be evaluated in a case...read more
Ans. 
The task is to check whether a given string is a palindrome or not, considering only alphabets and numbers and ignoring symbols and whitespaces.
• Convert the string to lowercase and remove all symbols and whitespaces.

• Reverse the modified string and compare it with the original string.

• If they are equal, then the string is a palindrome.

• If not, then the string is not a palindrome.
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Q2. 
Square Root (Integral) Problem Statement
Given a number N, calculate its square root and output the integer part only.
Example:
Input:
18
Output:
4
Explanation:
The square root of 18 is approximate...read more
Ans. 
The task is to find the integral part of the square root of a given number.
• Use the built-in square root function to find the square root of the number.

• Convert the result to an integer by rounding down or using the floor function.

• Print the integer part of the square root as the output.
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Q3. 
Min Steps to One Using Dynamic Programming
Given a positive integer N, your task is to determine the minimum number of steps required to reduce N to 1.
Allowed Operations:
1) Subtract 1 from it: n = n -...read more
Ans. 
The task is to find the minimum number of steps required to reduce a positive integer to 1 using three given operations.
• Use dynamic programming to solve the problem efficiently.

• Create an array to store the minimum steps required for each number from 1 to N.

• Iterate from 2 to N and calculate the minimum steps for each number based on the three operations.

• Return the minimum steps for N.
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Round duration - 60 Minutes
Round difficulty - Medium

They started Fundamentals of OOP- Inheritance, Polymorphism

Q1. 
Maximum Subarray Sum Problem Statement
Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array.
Example:
Input:
array = [34, -50, 42, 14, -5, 86]
Out...read more
Ans. 
The maximum sum of any contiguous subarray in an array is found using Kadane's algorithm in O(N) time.
• Initialize two variables, maxSum and currentSum, both set to the first element of the array.

• Iterate through the array from the second element.

• For each element, update currentSum by adding the element to it.

• If currentSum becomes negative, reset it to 0.

• If currentSum is greater than maxSum, update maxSum.

• After iterating ...read more
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Round duration - 30 Minutes
Round difficulty - Medium

Some people had two HR interviews but I only had one and interview went up till 11:30 pm and you get only 5-10 minutes to prepare for HR on Zoom

Round duration - 60 minutes
Round difficulty - Medium

test timing: 7-8 pm
2 programming questions
webcam proctored

Q1. 
Minimum Cost to Reach End Problem
You are provided with an array ARR of integers of size 'N' and an integer 'K'. The goal is to move from the starting index to the end of the array with the minimum possib...read more
Ans. 
Find minimum cost to reach end of array by jumping with constraints
• Use dynamic programming to keep track of minimum cost at each index

• Iterate through the array and update the minimum cost based on reachable indices within K steps

• Calculate cost to jump from current index to reachable indices and update minimum cost accordingly
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Q1. Technical Interview with one of team members
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Q2. .net technology, sql server
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Q1. Techno Managerial Round with Manager
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Q1. Pl sql Unix api configuration
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Q2. Routing how to use proxy
Ans. 
Routing through a proxy involves configuring the proxy server to forward requests to the destination server.
• Configure the proxy server to listen for incoming requests

• Configure the proxy server to forward requests to the destination server

• Configure the client to use the proxy server for outgoing requests

• Use a proxy server to bypass network restrictions or improve performance

• Examples: Nginx, Apache, Squid
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Hacker rank long coding questions with questions for python,c++,javascript , data bast related questions

Q1. Javascript related some coding questions and some data base related
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