Freshworks Interview Questions

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Detect An Undirected Graph Cycle

Can you detect a cycle in an undirected graph? Recall that an undirected graph lessons simple reference to graphs is one where the edges are bidirectional. A cycle is one where there is a closed path, that is, the first and last graph lessons simple reference to graphs vertices can be the...

Difficulty: 9/10

Max Rectangle in a Histogram

We're given a histogram like the following, where contiguous sharing a common border or touching bars are made up of different heights. Let's assume all bars have the same width. The histogram is converted to an array of the heights of the bars: js const histArr 3, 1, 4, 2, 2, 1 ...

Difficulty: 8/10

Contiguous Subarray Sum

Given an array of numbers, return true if there is a subarray that sums up to a certain number n . A subarray is a contiguous subset of the array. For example the subarray of 1,2,3,4,5 is 1,2,3 or 3,4,5 or 2,3,4 etc. js const arr 1, 2, 3 , sum 5 subarraySum arr, sum...

Difficulty: 4/10

Implement a Hash Map

Arrays are amazing for looking up elements at specific indices as all elements in memory are contiguous, allowing for O 1 or constant time lookups. But often we don't, or can't, perform lookups via indices. Hash maps and hash tables are a way around this, enabling us to lookup via keys instead. ...

Difficulty: 3/10

Max Leaps in Jump Game

We have an array that model square blocks on a city street. On each block is a non negative whole number. Ever heard of hopscotch? Picture that as an array: 1, 3, 2, 2, 1 Now, in hopscotch, you need to jump in patterns from the start to the end of the boxes. We can model that behavior in the...

Difficulty: 5/10

K Largest Elements From List

We're given a list or array of numbers, like the following: const nums 5, 16, 7, 9, 1, 4, 3, 11, 2 Can you write an algorithm to find the k largest values in a list of n elements? If k were 3 , we'd want the three largest numbers returned. The correct logic would return 16, 11, 9 ....

Difficulty: 5/10

Trapping Rain Water

The Trapping Rain Water Challenge: A Deep Dive Imagine you're looking at an elevation map displaying rainfall over a region's landscape. The map consists of bars of varying heights, each representing different elevations. Can you determine the amount of rainwater that this uneven terrain can hold?...

Difficulty: 8/10

Pick A Sign

We're given an array of positive integers like the following: js 2, 1, 3, 2 Imagine that we're allowed to make each element of the array either a positive or negative number, indicated by a signage either a plus or minus sign that appears before it. If we sum up all the si...

Difficulty: 7/10

Find Deletion Distance

Can you determine the deletion distance between two strings? Let's define the deletion distance as **the numbers of characters needed to delete from two strings to make them equal.** For example, the deletion distance of algo and daily is 5. The reason is we can delete the go 2 deletion...

Difficulty: 7/10

Lesson 4: Working with REST APIs in C++

**Unlock Your Full Potential with AlgoDaily!** We hope you're enjoying this course. At AlgoDaily, our aim is to transform complex coding challenges into engaging, bite sized lessons. And while our free lessons give you a glimpse of this transformative experience, there's so much more in store. ...

Difficulty: 5/10

Introduction to Cloud Computing

Introduction to Cloud Computing Cloud computing refers to the delivery of on demand computing resources over the internet. It enables users to access vast compute resources without having to maintain their own infrastructure. Imagine you're a developer, and you want to build and deploy a web a...

Difficulty: 5/10

Arrays

Introduction to Arrays Arrays are one of the fundamental data structures in C . They allow us to store multiple elements of the same type in a contiguous block of memory. Arrays are often used to represent collections of similar objects. Arrays can be declared and initialized as follows: ...

Difficulty: 5/10

Interview Reports

MY INTERVIEW WITH FRESHWORKS ...

My nerves used to sing ‘Get in the ring’ each time before an interview. With the interview season coming up and your anxiety and apprehension getting the better of you, I thought of writing a quick ar...

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