Problem Statement: Given an array of integers arr[] and an integer target. 1st variant: Return YES if there exist two

Continue reading# Category: Data Structure

## Program to generate Pascal’s Triangle

Problem Statement: This problem has 3 variations. They are stated below: Variation 1: Given row number r and column number

Continue reading## Add two numbers represented as Linked Lists

Problem Statement: Given the heads of two non-empty linked lists representing two non-negative integers. The digits are stored in reverse

Continue reading## Reverse a Linked List

Problem Statement: Given the head of a singly linked list, write a program to reverse the linked list, and return

Continue reading## Sort an array of 0s, 1s and 2s

Problem Statement: Given an array consisting of only 0s, 1s, and 2s. Write a program to in-place sort the array

Continue reading## Find middle element in a Linked List

Problem Statement: Given the head of a singly linked list, return the middle node of the linked list. If there

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