Quick Live Solutions Interview Questions and Answers

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Round duration - 30 Minutes
Round difficulty - Easy

The interviewer was quite friendly. There were two questions one from arrays and other one from strings.

Q1. 
String Compression Problem Statement
Implement a program that performs basic string compression. When a character is consecutively repeated more than once, replace the consecutive duplicates with the coun...read more
Ans. 
Implement a program to compress a string by replacing consecutive duplicates with the count of repetitions.
• Iterate through the string and keep track of consecutive characters and their counts.

• Replace consecutive duplicates with the count of repetitions.

• Ensure the count of repetitions is ≤ 9.

• Return the compressed string.
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Q2. 
Maximum Subarray Sum Problem Statement
Given an array ARR consisting of N integers, your goal is to determine the maximum possible sum of a non-empty contiguous subarray within this array.
Example of Sub...read more
Ans. 
Find the maximum sum of a contiguous subarray in an array of integers.
• Use Kadane's algorithm to find the maximum subarray sum in linear time.

• Initialize two variables: maxEndingHere and maxSoFar to keep track of the current subarray sum and the maximum subarray sum seen so far.

• Iterate through the array and update the variables accordingly.

• Return the maxSoFar as the result.
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