Coderust: Hacking the Coding Interview

Takeaway Skills

Prepare for coding interviews

Develop skills to analyze a problem statement and break it down into smaller problems

Learn to pick the right data structure and algorithm to solve a given problem

Gain experience with a diversity of programming problems and techniques

Learn to compare alternative solutions quantitatively in terms of their space and time complexity

Prepare for coding interviews

Develop skills to analyze a problem statement and break it down into smaller problems

Learn to pick the right data structure and algorithm to solve a given problem

Gain experience with a diversity of programming problems and techniques

Learn to compare alternative solutions quantitatively in terms of their space and time complexity

Course Overview

Are you looking to land a new software engineering job? With two new languages and all-new questions, the recently updated Coderust is here to help you break into or level up in the tech industry. Coderust was created by former hiring managers with years of experience in today’s top t... See More

How You'll Learn

Hands-on coding environments

You don’t get better at swimming by watching others. Coding is no different. Practice as you learn with live code environments inside your browser.

Faster than videos

Videos are holding you back. The average video tutorial is spoken at 150 words per minute, while you can read at 250. That‘s why our courses are text-based.

No set-up required

Start learning immediately instead of fiddling with SDKs and IDEs. It‘s all on the cloud.

Progress you can show

Built in assessments let you test your skills. Completion certificates let you show them off.

Hands-on coding environments

You don’t get better at swimming by watching others. Coding is no different. Practice as you learn with live code environments inside your browser.

Faster than videos

Videos are holding you back. The average video tutorial is spoken at 150 words per minute, while you can read at 250. That‘s why our courses are text-based.

No set-up required

Start learning immediately instead of fiddling with SDKs and IDEs. It‘s all on the cloud.

Progress you can show

Built in assessments let you test your skills. Completion certificates let you show them off.

Course Contents

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Show All Lessons

1. Getting Started

Course Overview

Who Should Take This Course

2. Arrays

Implement Binary Search on a Sorted Array

Rotate an Array by N Elements

Search a Rotated Array

Find the Smallest Common Number

Find Low/High Index of a Key in a Sorted Array

Move All Zeros to the Beginning of the Array

Stock Buy Sell to Maximize Profit

Merge an Array With Overlapping Intervals

Find Pair With Given Sum in an Array

Squares of a Sorted Array

Container with Most Water

Sort an Array Using Quicksort Algorithm

Sort Colors

Arrange the Largest Number

Shuffle an Array

First Missing Positive Integer

Minimum Size Subarray Sum

Next Element Greater than Subset

Product of All Array Elements Except Self

3. Linked Lists

Implementation of Linked List

Reverse a Singly Linked List

Remove Duplicates from a Linked List

Delete All Occurrences of a Given Key in a Linked List

Sort Linked List Using Insertion Sort

Intersection Point of Two Lists

Find n'th Node from the End of a Linked List

Swap Nth Node with Head

Merge Two Sorted Linked Lists

Sort a Linked List Using Merge Sort

Reverse Even Nodes in a Linked List

Rotate a Linked List

Reverse Alternate K Nodes in a Singly Linked List

Fold List on Itself

Add Two Integers Represented by Linked Lists

Copy Linked List with Arbitrary Pointer

4. Math & Stats

Find kth Permutation

Integer Division Without Using * or /

Pythagorean Triples

All Possible Combinations for a Given Sum

Find Missing Number

Print All Permutations of a String

Find All Subsets of a Set

Is String a Valid Number?

Calculate Power of a Number

Calculate Square Root of a Number

Check if Rectangles Overlap

5. Strings

Reverse Words in a Sentence

Remove Duplicates from a String

Remove White Spaces from a String

Longest Valid Parentheses

Word Break Problem

Verify an Alien Dictionary

XML to Tree

Find all Palindrome Substrings

Longest Palindromic Substring

Regular Expression Matching in String

Add Two Strings

Add Two Binary Strings

Roman Numerals to Integers

Express a Number in English Words

6. Trees

Implementation of Binary Tree

Check if Two Binary Trees are Identical

Iterative In-order Traversal of Binary Tree

Write an In-Order Iterator for a Binary Tree

In-order Successor of Binary Search Tree

In-order Successor Binary Search Tree With Parent Pointers

Level Order Traversal of Binary Tree

Is a Binary Search Tree Valid?

Convert Binary Tree to Doubly Linked List

Print Tree Perimeter

Connect Same Level Siblings of a Binary Tree

Connect All Siblings of a Binary Tree

Serialize/Deserialize Binary Tree

Nth Highest Number in Binary Search Tree

Mirror Binary Tree Nodes

Delete Zero Sum Sub-Trees

Convert N-ary Tree to Binary Tree

Find Lowest Common Ancestor in a Binary Tree

Binary Tree Maximum Path Sum

7. Stacks and Queues

Implement Stack Using Queues

Implement Queue Using Stacks

Evaluate Reverse Polish Notation

Evaluate Arithmetic Expressions

Find Maximum in Sliding Window

Minimum Remove to Make Valid Parentheses

Exclusive Execution Time of Functions

8. Graphs

Clone a Directed Graph

Minimum Spanning Tree

Word Chaining

9. Back Tracking

Boggle

Generate all Combinations of Balanced Parentheses

Solve N-Queens Problem

Find K-Sum Subsets

10. Dynamic Programming

Fibonacci Numbers

Nth Tribonacci Number

Largest Sum Subarray

MaxSum Subsequence - Nonadjacent Elements

Count Square Submatrices

Unique Paths to Goal

Find Combinations for Game Scoring

Coin Changing Problem

Levenshtein Distance

11. Miscellaneous

Sum of Three Values

Make Columns and Rows Zeros

Search in a Matrix

Check Validity of Tic-Tac-Toe Board

Implement LRU Cache

Determine Host Byte Order (Endianness)

Closest Meeting Point

Find Perimeter of Island

Design Your Own HashMap

Kth Largest Element in a Stream

12. Appendix

Testimonials

13. Conclusion

Where to Go from Here?