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Practice Coding Problem   Learn and Practice Solving Coding Problems

13 Sections , 2 Topics

Learn how to solve DataStructure and Coding Problems and prepare for your next coding interview.

This guide covers all the essentials topics like LinkedList, HashMaps, String, Graph, Tree and more. Each of the problems and its solution is explained in detail. We approach each problem with a naive solution and then progressively work to improve the space and time complexity of our solution until we arrive at an optimal solution.

The key here is not to master the solution but understand the pattern and the approach used to solve a given problem. 


 Section  1  Arrays
1   Find leaders in an array - A number that has all the elements on the right-side smaller than its value.
2   Swap array elements (Value becomes Index) - Array(I) becomes Array(J)

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