Find median from Data Stream

In this post we are gonna discuss how to find median in a stream of running integers

Solve minimum window substring problem

In this post we are gonna discuss how to solve minimum window substring problem using…

Solve word search using backtracking

In this post we are gonna learn how to apply backtracking to solve word search problem

Solve sliding window maximum problem

In this post we are gonna discuss approaches to solve sliding window maximum

Solve generate parentheses problem

In this post we will try to print out all combinations of valid parentheses for a given number n

Sliding Window Principle/Technique

Are you tired of solving the problems using nested loops? Here is an answer for you.

Solve valid parentheses problem

In this post we are gonna discuss how to solve valid parentheses problem using stack

Java 8 changes in interface

In this post we are gonna discuss about the changes in Java 8 interface

Tale of a dynamic programming problem

In this post we are gonna learn how to solve edit distance…