Welcome to the DSA-Volunteer-Resource-Hub

What You'll Find Here:

Practice Questions: A collection of problems with varying difficulty levels to enhance problem-solving skills.

Solutions: Step-by-step solutions to practice questions to help understand the approach and logic.

Slides: Presentation slides for use in teaching sessions.

Tutorials: Links to video tutorials

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Trainers & Moderators

Muhammad Arham

Amina Saeed

Ifrah Tariq

khadijah-Shabir

AaMna AnSari

Week 01

Days	Video Links (Facebook)	Material/Questions
01	Introduction of DSA	Slides
02	Array Data Structure	Slides
03	Array Data Structure	Slides
04	Solved Leetcode Questions	448. Find All Numbers Disappeared in an Array 1929. Concatenation of Array
05	Solved Leetcode Questions	217. Contains Duplicate 1822. Sign of the Product of an Array 349. Intersection of Two Arrays 1480. Running Sum of 1d Array

Week 02

Days	Video Links (Facebook)	Material/Questions
01	Solved Leetcode Questions	1672. Richest Customer Wealth 1431. Kids With the Greatest Number of Candies 33. Search in Rotated Sorted Array
02	Solved Leetcode Questions	136. Single Number 260. Single Number III
03	Solved Leetcode Questions	2951. Find the Peaks 2942. Find Words Containing Character 2828. Check if a String Is an Acronym of Words
04	Solved Leetcode Questions	34. Find First and Last Position of Element in Sorted Array 2441. Largest Positive Integer That Exists With Its Negative
05	Solved Leetcode Questions	56. Merge Intervals 1.Two Sum

Week 03

Days	Video Links (Facebook)	Material/Questions
01	Solved Leetcode Questions (2D Array)	74. Search a 2D Matrix
02	Solved Leetcode Questions (2D Array)	1572. Matrix Diagonal Sum 832. Flipping an Image
03	Solved Leetcode Questions (2D Array)	378. Kth Smallest Element in a Sorted Matrix 4. Median of Two Sorted Arrays
04	Solved Leetcode Questions (2D Array)	73. Set Matrix Zeroes 2037. Minimum Number of Moves to Seat Everyone
05	Solved Leetcode Questions (Array)	1394. Find Lucky Integer in an Array 905. Sort Array By Parity 922. Sort Array By Parity II

Week 04

Days	Video Links (Facebook)	Material/Questions
01	Time Complexity	Slides
02	Space Complexity	Slides
03	Stack Data Structure	Slides 2390. Removing Stars From a String
04	Solved Leetcode Questions	1047. Remove All Adjacent Duplicates In String 1957. Delete Characters to Make Fancy String
05	Solved Leetcode Questions	682. Baseball Game

Week 05

Days	Video Links (Facebook)	Material/Questions
01	Solved Leetcode Questions	946. Validate Stack Sequences 20. Valid Parentheses
02	Solved Leetcode Questions	128. Longest Consecutive Sequence
03	Solved Leetcode Questions	394. Decode String 20. Valid Parentheses
04	Queue Data Structure	Slides
05	Solved Leetcode Question	225. Implement Stack using Queues

Week 06

Days	Video Links (Facebook)	Material/Questions
01	Solved Leetcode Question	1352. Product of the Last K Numbers
02	Solved Leetcode Question	1598. Crawler Log Folder
03	Solved Leetcode Question	933. Number of Recent Calls
04	Solved Leetcode Questions	225. Implement Stack using Queues 387. First Unique Character in a String
05	Solved Leetcode Questions	232. Implement Queue using Stacks 622. Design Circular Queue

Week 07

Days	Video Links (Facebook)	Material/Questions
01	Two Pointers Data Structure Leetcode Question(Two Pointer)	Slides 283. Move Zeroes
Class off due to 9th Muharram Holiday
Class off due to 10th Muharram Holiday
02	Leetcode Question(Two Pointer)	Reverse String

Week 08

Days	Video Links (Facebook)	Material/Questions
01	Two Pointers Data Structure Leetcode Questions	125. Valid Palindrome 169. Majority Element
02	Two Pointers Data Structure Leetcode Questions	11. Container With Most Water 229. Majority Element II
03	Two Pointers Data Structure Leetcode Questions	229. Majority Element II
04	Two Pointers Data Structure Leetcode Questions	26. Remove Duplicates from Sorted Array 2109. Adding Spaces to a String
05	Two Pointers Data Structure Leetcode Questions	345. Reverse Vowels of a String