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DSA

Longest Common Prefix

In this article, we will solve the problem of finding the longest common prefix among an array of strings. Problem Statement: Find the...

Jun 17, 20241 min read

Check if Two Strings Are Anagrams of Each Other

In this article, we will solve the problem of checking if two given strings are anagrams of each other. Two strings are anagrams if they...

Jun 17, 20241 min read

Reverse Words in a String

In this article, we will solve the problem of reversing the words in a given string. Example: Input: s = "the bloodline is cooking"...

Jun 17, 20241 min read

Strings

In this article, we will be understanding the concept of a string. Before understanding the technical aspects, let's first understand...

Jun 17, 20242 min read

Check if the given Linked List is Palindrome

In this article, we will solve the problem of determining if a given linked list is a palindrome. Given the head of a singly linked list,...

Jun 6, 20241 min read

Add Two Numbers Represented as Linked List

In this article, we will solve the problem of adding two numbers represented as linked lists. So we are given the heads of two singly...

Jun 6, 20242 min read

Search an Element in Linked List

In this article, we will solve the problem of searching for an element in a linked list. Problem Statement: We are given the head of a...

Jun 5, 20241 min read

Rotate a Linked List

In this article, we will solve the problem of rotating a linked list to the right by a given K places. Example: 1 -> 2 -> 3 -> 4 -> 5 ->...

Jun 5, 20241 min read

Detect a Cycle in a Linked List

In this article, we will solve the problem of detecting a cycle in a linked list. This is a common problem that can occur in real-world...

Jun 5, 20241 min read

Find the Middle of a Linked List

In this article, we will tackle a common problem asked in the linked list which is finding the middle node of a singly linked list. This...

Jun 5, 20241 min read

Delete a Given Node in a Linked List

In this article, we will solve a unique problem in the linked list which is to delete a given node in a singly linked list. In this...

Jun 5, 20241 min read

Remove Nth Node from the end of Linked List

In this article, we aim to remove the N-th node from the end of a singly linked list. This is a common problem in linked list...

Jun 5, 20241 min read

Reverse a Linked List

In this article, we will solve a commonly asked problem on linked lists which is reversing a linked list. Given a singly linked list, our...

Jun 5, 20241 min read

Introduction to Linked Lists

A linked list is an important topic in computer science as it provides an efficient way to manage and organize data. In this article, we...

Jun 5, 20242 min read

Trapping Rainwater

In this article, we will solve the problem of calculating the amount of water that can be trapped after rainfall on a given map...

Jun 5, 20241 min read

Stock Buy and Sell

In this article, we will solve the problem of determining the maximum profit that we can get from buying and selling a single stock given...

Jun 5, 20241 min read

Find the Repeating and Missing Numbers

In this article, we will solve the problem of finding the repeating and missing numbers in a given array of integers using a hash map. So...

Jun 5, 20241 min read

Merge Overlapping Sub-Intervals

In this article, we will solve the problem of merging overlapping sub-intervals. We are given an array of intervals, our task is to merge...

Jun 5, 20241 min read

Find the Next Greater Permutation

In this article, our aim is to solve the problem of finding the next greater permutation for the array containing integers. The next...

Jun 5, 20241 min read

Sort an Array of 0's, 1's and 2's

In this article, we aim to understand and solve the problem of sorting an array that contains 0, 1, and 2. This problem is also known as...

Jun 5, 20241 min read