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HomeData Modelling & AIMost Asked Problems in Data Structures and Algorithms | Beginner DSA Sheet
Data Modelling & AIData Structure & Algorithm

Most Asked Problems in Data Structures and Algorithms | Beginner DSA Sheet

Umr Jansen
By Umr Jansen
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In this Beginner DSA Sheet for Data Structures and Algorithms, we have curated a selective list of problems for you to solve as a beginner for DSA. After learning the fundamentals of programming, choosing a programming language, and learning about Data Structure and Algorithms and their space-time complexity, it becomes necessary to practice the problem based on different data structures and algorithms. 

Beginner DSA Sheet

Beginner DSA Sheet

The problem on the sheet includes:

Array:

Question

Practice

Search an Element in an array

Solve

Find minimum and maximum element in an array

Solve

Wave Array

Solve

Transpose of Matrix

Solve

Rotate by 90 degrees

Solve

Next Greater Element

Solve

Maximum of all subarrays of size k

Solve

Missing number in array

Solve

Bitonic Point

Solve

Count Palindrome Sub-Strings of a String

Solve

String:

Question

Practice

Anagram

Solve

Reverse words in a given string

Solve

Longest Common Prefix

Solve

Isomorphic Strings

Solve

Check if string is rotated by two places

Solve

Divisible by 7

Solve

Integer to Roman

Solve

Stack:

Question

Practice

Parenthesis Checker

Solve

Next Greater Element

Solve

Nearest Smaller Element

Solve

Reverse a String using Stack

Solve

Reverse an array using Stack

Solve

Delete Middle element from stackSolve

Solve

Reverse individual words

Solve

Queue:

Question

Practice

Reverse First k Elements of Queue

Solve

Implement a Queue using an Array

Solve

Print all elements of a queue in a new line

Solve

Level with maximum number of nodes

Solve

Linked List:

Question

Practice

Node at a given index in linked list

Solve

Merge two sorted linked lists

Solve

Delete a Node in Single Linked List

Solve

Insert in Sorted way in a Sorted DLL

Solve

Find n/k th node in Linked list

Solve

Nth node from end of linked list

Solve
Detect Loop in linked list Solve

Delete middle of linked list

Solve

Matrix:

Question

Practice

Rotate Matrix Elements

Solve

Find maximum element of each row in a matrix

Solve

Print matrix in snake pattern

Solve

Turn an image by 90-degree

Solve

Sorting:

Question

Practice

Find the sum of all values lesser than the element of the Array

Solve

Merge Two Sorted Arrays

Solve

Sort an Array of Strings in Lexicographical order

Solve

Finding Kth largest number in given array of large numbers

Solve

Sort a string without altering the position of vowels

Solve

Insertion Sort

Solve

Heap Sort

Solve

Greedy:

Question

Practice

Police and Thieves

Solve

Minimum Number of Platforms Required for a Railway/Bus Station

Solve

Connect n ropes with minimum cost

Solve

Huffman Encoding

Solve

Fractional Knapsack

Solve

Recursion:

Question

Practice

Print 1 to n without using loops

Solve

Mean of Array using Recursion

Solve

Print reverse of a string using recursion

Solve

Sum of digit of a number using recursion

Solve

Program for factorial of a number

Solve

Tower Of Hanoi

Solve

Print first n Fibonacci Numbers

Solve

Dynamic Programming:

Question

Practice

Maximum Product Cutting

Solve

Minimum number of deletions and insertions to transform one string into another

Solve

0-1 Knapsack Problem

Solve
Subset Sum Problem

Solve
Longest Increasing Subsequence

Solve
Longest Common Subsequence

Solve
Longest Common Substring Solve

Coin Change

 Solve

Edit Distance

 Solve

Nth catalan number

 Solve

Longest Path In Matrix

 Solve

Tree:

Question

Practice

Inorder Traversal

Solve

Postorder Traversal

Solve

Preorder Traversal

Solve

Insert a node in a BST

Solve

Height of Binary Tree

Solve

Check for BST

Solve

Kth Largest Element in a BST

Solve

Graph:

Question

Practice
DFS of Graph Solve

BFS of graph

Solve

Topological sort

Solve

Number of Provinces

Solve

Implementing Dijkstra Algorithm

Solve

Strongly Connected Components (Kosaraju’s Algo)

Solve

Distance from the Source (Bellman-Ford Algorithm)

Solve
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