DSA-Path-And-Important-Questions

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Problems With Related Article and Practice Problems on different platforms

1.Basics Maths

Topic	Related Article	Practice Problems on different Platforms
Digits In Factorial	Count digits in a factorial Set 1 by gfg Count digits in a factorial Set 2 by gfg	geeksforgeeks CodeChef
Exactly 3 Divisors	Exactly 3 Divisors by gfg	geeksforgeeks Coding Ninjas
Primality Test	Prime Numbers Introduction and School Method Fermat Method	CodeChef

2.Arrays

Topic	Related Article	Practice Problems on different Platforms
Remove duplicate elements from sorted Array	Remove duplicate elements from sorted Array by gfg Remove duplicate elements from sorted Array Codesdope	[LeetCode](https://leetcode.com/problems/remove-duplicates-from-sorted-
Rearrange an array with O(1) extra space
Trapping Rain Water	Trapping Rain Water by gfg
Remove duplicate elements from sorted Array
Reverse array in groups
Rotate Array
Rearrange an array with O(1) extra space	Rearrange an array with O(1) extra space by gfg	GeeksforGeeks
Trapping Rain Water	Trapping Rain Water by gfg	GeeksforGeeks
Remove duplicate elements from sorted Array	Remove duplicate elements from sorted Array by gfg	GeeksforGeeks
Reverse array in groups	Reverse array in groups by gfg	GeeksforGeeks
Rotate Array	Rotate array by gfg	GeeksforGeeks
Equilibrium Point	Equilibrium Point
Leaders in an array	Leaders in an array
Wave Array	Wave Array
Subarray with given sum	Subarray with given sum
Kadane's Algorithm	Kadane's Algorithm
Find Transition Point	Find Transition Point
Leaders in an array	Leaders in an array
First Repeating Element	First Repeating Element
Smallest Positive missing number	Smallest Positive missing number
Rearrange an array with O(1) extra space	Rearrange an array with O(1) extra space
Merge Without Extra Space

3.Matrix

Topic	Related Article	Practice Problems on different Platforms
Adding two matrices	Adding two matrices	GeeksforGeeks
Multiply the matrices	Multiply the matrices	GeeksforGeeks
Determinant of a Matrix	Determinant of a Matrix	GeeksforGeeks
Transpose of Matrix	Transpose of Matrix	GeeksforGeeks
Rotate by 90 degree	Rotate by 90 degree	GeeksforGeeks
Spirally traversing a matrix	Spirally traversing a matrix
Search in a row-column sorted Matrix	Search in a row-column sorted Matrix
Max rectangle

4.Searching and Sorting

Topic	Related Article	Practice Problems on different Platforms
Square root of a number	Square root of a number
Binary Search	Binary Search
Peak element	Peak element
Search an element in sorted and rotated array	Search an element in sorted and rotated array
Merge Sort	Merge Sort
Quick Sort	Quick Sort
Union of Two Sorted Arrays	Union of Two Sorted Arrays
Intersection of two sorted arrays	Intersection of two sorted arrays
Minimum Swaps to Sort	Minimum Swaps to Sort
Minimum Platforms
Median of Two sorted arrays	Median of Two sorted arrays
Sort an array of 0s, 1s and 2s	Sort an array of 0s, 1s and 2s

5.Bit Manipulation

Topic	Related Article	Practice Problems on different Platforms
Check whether K-th bit is set or not	Check whether K-th bit is set or not by gfg	GeeksforGeeks
Count total set bits	Count total set bits by gfg	GeeksforGeeks InterviewBit
Number is sparse or not	Check if a given number is sparse or not by gfg	GeeksforGeeks
Binary To Gray Code equivalent	Gray to Binary and Binary to Gray conversion by gfg	LeetCode
Gray to Binary equivalent	Gray to Binary and Binary to Gray conversion by gfg	GeeksforGeeks
Power of 2	Program to find whether a given number is power of 2 gfg	GeeksforGeeks
Find first set bit	finding the first set bit in a binary number on Stackoverflow	GeeksforGeeks
Rightmost different bit	Position of rightmost different bit by gfg	GeeksforGeeks
Swap all odd and even bits	Swap all odd and even bits	GeeksforGeeks
Maximum subset XOR	Maximum subset XOR	Codeforces

6.Linked List

Topic	Related Article	Practice Problems on different Platforms
deletion in linked list	deletion in linked list	GeeksforGeeks
insertion in linked list	insertion in linked list	GeeksforGeeks
sorting a linked list	sorting a linked list	GeeksforGeeks
swapping in linked list	swapping in linked list	GeeksforGeeks
Check if a linked list is Circular Linked List	Check if a linked list is Circular Linked List by gfg	GeeksforGeeks
Deletion from a Circular Linked List	Deletion from a Circular Linked List by gfg	Coding Ninjas

7.Hashing

Topic	Related Article	Practice Problems on different Platforms
Find whether an array is subset of another array	Find whether an array is subset of another array
Union and Intersection of two Linked Lists	Union and Intersection of two Linked Lists
Find a pair with given sum	Find a pair with given sum
Find Itinerary from a given list of tickets	Find Itinerary from a given list of tickets

8.Tree

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