Data Structures and Algorithms

Data structures are used to store and organize data. And, Algorithm is a collection of steps to solve a particular problem.

Below is the collection of Data Structures and Algorithm problems solved as part of my learning.

ARRAYS

✔ Count of Elements

✔ Find Majority Element

✔ Find Missing Number

✔ Intersection of Arrays

✔ Remove Element

✔ Two Sum

✔ Count of Smaller Numbers

✔ Count of Smaller Numbers

✔ Find Points in Calories

✔ Customer Satisfaction

✔ Find Multiple Duplicates

✔ Happy Number

✔ Maximum Average

✔ Merge Sorted Array

✔ Move Odd to End

✔ Remove Multiple Duplicates

✔ Find Single Number

✔ Sort Colors

✔ Biggest Character

✔ Find Count of One

✔ Find Start and End of Element

✔ Find Target Index

✔ Highest Consecutive Sum

✔ Longest Sequence

✔ Maximum Sum

✔ Minimum Subarray Sum

✔ Missing Positive Integer

✔ Presence of Number

✔ Search Rotated Sorted Array

✔ Smallest Subarray Sum

✔ Two Sum less than K

✔ Unique Characters

✔ Max Sum of Partition Array

✔ Find Average excluding Min and Max

✔ Smallest Positive Missing Number

✔ Stone Game

✔ Find Square root

STRING

✔ Palindrome

✔ Reverse String

✔ Shortest Distance

✔ Valid Palindrome

✔ Permutation in String

✔ Roman to Integer

✔ Word Break

✔ Anagram

✔ Character Reprogramming

✔ Second Least Character

✔ Find Palindromes in String

LINKED LIST

✔ Odd Even Linked List

✔ Condensed List

✔ Merge Linked List

✔ Reverse Linked List

STACK

✔ Find Directory Path

✔ Daily Temperatures

✔ Decode String

✔ Missing Brackets

✔ Valid Parenthesis

✔ Longest Valid Parenthesis

✔ Rearrange Array

Queue

✔ Reverse Array

✔ Longest Continuous SubArray

Collections

✔ Grouping Items

Recursion

✔ Cards Game

✔ Decode String

✔ Occurence of One

✔ Find SubString

✔ Power of 2

✔ Fibonacci

✔ Reverse String

✔ Remove Elements from Linked List