Raja Software Labs Interview Questions, Process, and Tips

Some Questions are based on programming and some are aptitude questions.

This is coding round here 5 coding questions is there?

Q1. Find first non repeated character in string?
Ans. 
Find the first non-repeated character in a string.
• Iterate through the string and count the frequency of each character.

• Return the first character with a count of 1.
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Q2. We have given a integer array then find the second maximum difference ?
Ans. 
Find the second maximum difference in an integer array.
• Sort the array in descending order

• Calculate the difference between adjacent elements

• Return the second maximum difference
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Q3. We have given a integer find the sum of all digits.
Ans. 
Given an integer, find the sum of all its digits.
• Convert the integer to a string and iterate over each character to get the sum.

• Use modulo operator to get the last digit and add it to the sum, then divide by 10 to remove the last digit.

• Recursively call the function with the integer divided by 10 and add the remainder to the sum.
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Code Snept question with 3-4 Reasoning question. Google form

Pen paper coding round. String , Array . Linkedlist , graph, questions

Q1. Maximum Spaning
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Q2. Nearest Prime number
Ans. 
To find the nearest prime number, iterate from the given number in both directions until a prime number is found.
• Start iterating from the given number in both directions to find the nearest prime number.

• Check if a number is prime by dividing it by all numbers less than its square root.

• Keep track of the closest prime number found during the iteration.
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Q3. Second Maximum Number in Array
Ans. 
Find the second maximum number in an array of strings.
• Convert the array of strings to an array of integers.

• Sort the array in descending order.

• Return the second element in the sorted array.
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Q1. Project Question
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Q2. Robot question of DSA
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Q3. Stock Buy and sell - VI . Leetcode Hard
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Q4. Leetcode Medium
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Programming questions on string, array, numbers.
Difficultity level was simple.

5 questions were asked out of which 2 of them were easy and rest of them were hard.
Easy :- sorting, numbers
Hard :- bitwise, mathematical equation question.

Three were basic questions around strings and arrays

Q1. Detailed discussion on data structures and algorithms
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