Coursera Interview Questions

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Missing Number In Unsorted

Assume we're given an unsorted array of numbers such as this: 2, 5, 1, 4, 9, 6, 3, 7 We are told that when this array is sorted, there is a series of n consecutive numbers. You are given a lower bound and an upper bound for this sequence. There is one consecutive number missing, and ...

Difficulty: 4/10

Sum All Primes

You're given a number n . Can you write a method sumOfAllPrimes that finds all prime numbers smaller than or equal to n , and returns a sum of them? For example, we're given the number 15 . All prime numbers smaller than 15 are: 2, 3, 5, 7, 11, 13 They sum up to 41 , so sumOfA...

Difficulty: 4/10

Merge K (Multiple) Sorted Lists

You're given an array of multiple sorted linked lists. Can you write a method that returns it transformed into a single sorted linked list? Each linked list can be represented as a series of nodes with the following definition: js function Node val this.value val this.next...

Difficulty: 8/10

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

Validate a BST

Given a binary search tree like the one below, can you write a function that will return true if it is valid? 5 3 9 1 4 Recall that a BST is valid only given the following conditions: The left child subtree of a node contains only nodes with v...

Difficulty: 4/10

Is This Graph a Tree

Given an undirected graph, can you see if it's a tree? If so, return true and false otherwise. An undirected graph lessons simple reference to graphs is a tree based _on the following conditions_: first, there cannot be a cycle. Second, the graph lessons simple reference to graph...

Difficulty: 7/10

Shortest Path Distance in Matrix

You are given a 2D matrix with several characters contained in its cells. You will also have two distinct characters which are guaranteed to be in the given matrix. Your job will be to find the minimum manhattan distance lessons what is the manhattan distance between the two characters in the mat...

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

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

Following Up After Negotiation

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Difficulty: 5/10

System Design Principles

**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

Pointers and References

Difficulty: 5/10

Interview Reports

Guide: How to Get a Job at Coursera - Pathrise...

A guide to getting a job at Coursera including interview questions, interview process, salaries, office locations, photos, tips on getting a foot in the door, and more. Save yourself hours of preperat...

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