Geek's Lesson
Geek's Lesson
  • 24
  • 8 804 040
Data structures and algorithms
Data structures and algorithms are fundamental concepts in computer science that play a crucial role in organizing and manipulating data efficiently. Let's discuss each of them separately:
Data Structures:
Data structures are containers that hold and organize data in a specific way. They provide efficient access, insertion, deletion, and manipulation operations. Here are some commonly used data structures:
Arrays: Contiguous blocks of memory used to store elements of the same type. Elements can be accessed using their index.
Linked Lists: A sequence of nodes where each node contains data and a reference to the next node.
Stacks: A Last-In-First-Out (LIFO) structure where elements are inserted and removed from the top.
Queues: A First-In-First-Out (FIFO) structure where elements are inserted at the rear and removed from the front.
Trees: Hierarchical structures composed of nodes, where each node has zero or more child nodes.
Graphs: A collection of nodes (vertices) connected by edges.
Hash Tables: Data structures that use key-value pairs for efficient insertion, deletion, and retrieval.
Algorithms:
Algorithms are step-by-step procedures or computational processes designed to solve specific problems. They provide solutions to perform various operations on data structures efficiently. Algorithms can be classified into various categories:
Sorting Algorithms: Rearranging elements in a specific order, such as ascending or descending.
Examples: Bubble Sort, Insertion Sort, Quick Sort, Merge Sort.
Searching Algorithms: Finding the location of a particular element in a data structure.
Examples: Linear Search, Binary Search.
Graph Algorithms: Solving problems related to graphs, such as finding the shortest path or traversing the graph.
Examples: Breadth-First Search (BFS), Depth-First Search (DFS), Dijkstra's Algorithm.
Dynamic Programming: Breaking down complex problems into smaller overlapping subproblems and solving them.
Examples: Fibonacci Series, Knapsack Problem.
Understanding data structures and algorithms is essential for designing efficient and scalable software solutions. It helps in optimizing performance, minimizing resource usage, and solving complex computational problems effectively.
Переглядів: 7 598

Відео

Top 7 bash commands for Unix/Linux and Mac users
Переглядів 10 тис.2 роки тому
Here are 7 bash commands every computer user should know how to use it. It will increase your productivity to the next level. The #bash commands are: ⭐️ Table of Contents ⭐️ (0:00) Linux Command basics - pwd (1:39) Linux Command basics - exit (2:19) Linux Command basics - mkdir (5:39) Linux Command basics - ls (11:10) Linux Command basics - cd (28:44) Linux Command basics - mv (33L46) Linux Com...
Hypothesis testing in statistics
Переглядів 22 тис.2 роки тому
Hypothesis testing is a form of statistical inference that uses data from a sample to draw conclusions about a population parameter or a population probability distribution. First, a tentative assumption is made about the parameter or distribution. This assumption is called the null hypothesis and is denoted by H0. An alternative hypothesis (denoted Ha), which is the opposite of what is stated ...
Statistical Data Analysis for Beginners | Part 2
Переглядів 7 тис.2 роки тому
In this course you will learn about how to interpret data with statistical analysis. This course is for beginners who like to understand how to interpret data in a statistical way through examples. ⭐️ Join Us ⭐️ Join our FB Group: groups/cslesson Like our FB Page: cslesson/ Website: geekslesson.com/
Statistical Data Analysis for Beginners - Part 1
Переглядів 16 тис.2 роки тому
In this course you will learn about how to interpret data with statistical analysis. This course is for beginners who like to understand how to interpret data in a statistical way through examples. ⭐️ Table of Contents ⭐️ ⌨️ (0:00) Bar graph for categorical data ⌨️ (4:20) Pareto chart ⌨️ (6:19) Creating a pie chart ⌨️ (11:09) Describing a pie chart ⌨️ (12:03) Bad representation of Data ⌨️ (15:0...
Introduction to sets || Set theory Overview - Part 2
Переглядів 4,2 тис.2 роки тому
A set is the mathematical model for a collection of different things; a set contains elements or members, which can be mathematical objects of any kind: numbers, symbols, points in space, lines, other geometrical shapes, variables, or even other #sets. The #set with no element is the empty set; a set with a single element is a singleton. A set may have a finite number of elements or be an infin...
Introduction to sets || Set theory Overview - Part 1
Переглядів 8 тис.2 роки тому
A set is the mathematical model for a collection of different things; a set contains elements or members, which can be mathematical objects of any kind: numbers, symbols, points in space, lines, other geometrical shapes, variables, or even other #sets. The #set with no element is the empty set; a set with a single element is a singleton. A set may have a finite number of elements or be an infin...
Business Analytics Full Course
Переглядів 387 тис.2 роки тому
Business analytics (BA) is a set of disciplines and technologies for solving business problems using data analysis, statistical models and other quantitative methods. It involves an iterative, methodical exploration of an organization's data, with an emphasis on statistical analysis, to drive decision-making. In this course you will learn about the following topics of #businessanalytics ⭐️ Tabl...
Machine Learning with Python || Machine Learning for Beginners
Переглядів 83 тис.2 роки тому
Machine learning is a branch of artificial intelligence (AI) and computer science which focuses on the use of data and algorithms to imitate the way that humans learn, gradually improving its accuracy. In this course you will learning machine learning with python programming. #machinelearning #python ⭐ Table of Contents ⭐ ⌨️ (0:00) Machine learning Intro ⌨️ (22:26) Linear Regression ⌨️ (42:03) ...
College Algebra - full course
Переглядів 114 тис.3 роки тому
Algebra is one of the broad areas of mathematics, together with number theory, geometry and analysis. In its most general form, #algebra is the study of mathematical symbols and the rules for manipulating these symbols; it is a unifying thread of almost all of mathematics. In this course you will learn about almost all topics of algebra which are taught in college. This full course college alge...
Computer Fundamentals - Basics for Beginners
Переглядів 639 тис.3 роки тому
A computer is an electronic machine that accepts data, stores and processes data into information. The computer is able to work because there are instructions in its memory directing it. The parts of the computer that you can see and touch, such as the keyboard, monitor and the mouse are called hardware. The instructions that direct the computer are called software or computer program. Data whi...
Operating system for beginners || Operating system basics
Переглядів 96 тис.3 роки тому
An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. Time-sharing #operating_systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, printing, and other resources. Operating system Full Course: ua-cam.com/vide...
Matrix Algebra Basics || Matrix Algebra for Beginners
Переглядів 16 тис.3 роки тому
In mathematics, a matrix is a rectangular array or table of numbers, symbols, or expressions, arranged in rows and columns. This course is about basics of matrix algebra. Website: geekslesson.com/ 0:00 Introduction 0:19 Vectors and Matrices 3:30 Identities and Transposes 5:59 Addition 7:50 Multiplication 14:54 Laws and Notation Notes 18:50 Why is this all useful? 24:17 Determinants and Inverses
System Design Course for Beginners
Переглядів 660 тис.3 роки тому
This video covers everything you need to understand the basics of #system_design, examining both practical skills that will help you get a job as well as lower level details to help you get a deeper understanding of the concepts. You will start off by learning why huge companies like Google, Facebook, Microsoft, and others needed to use distributed systems in the 1st place. We'll then look at t...
PreCalculus Full Course For Beginners
Переглядів 612 тис.3 роки тому
In mathematics education, #precalculus or college algebra is a course, or a set of courses, that includes algebra and trigonometry at a level which is designed to prepare students for the study of calculus. Schools often distinguish between algebra and trigonometry as two separate parts of the coursework. ⭐ Table of Contents ⭐ ⌨️ (0:00:00) The real number system ⌨️ (0:08:24) Order of operations...
Unix Shell Crash Course || Unix Shell Tutorial for Beginners
Переглядів 145 тис.3 роки тому
Unix Shell Crash Course || Unix Shell Tutorial for Beginners
Statistics and Probability Full Course || Statistics For Data Science
Переглядів 1,3 млн3 роки тому
Statistics and Probability Full Course || Statistics For Data Science
Linear Algebra Full Course for Beginners to Experts
Переглядів 452 тис.4 роки тому
Linear Algebra Full Course for Beginners to Experts
Java Tutorial for Beginners to Expert [Full Course - 2020]
Переглядів 95 тис.4 роки тому
Java Tutorial for Beginners to Expert [Full Course - 2020]
Algebra for Beginners | Basics of Algebra
Переглядів 1,4 млн4 роки тому
Algebra for Beginners | Basics of Algebra
Statistical data analysis | Statistical Data Science | Part 1
Переглядів 365 тис.4 роки тому
Statistical data analysis | Statistical Data Science | Part 1
Linear Algebra for Beginners | Linear algebra for machine learning
Переглядів 209 тис.4 роки тому
Linear Algebra for Beginners | Linear algebra for machine learning
Linux Command Line Full course: Beginners to Experts. Bash Command Line Tutorials
Переглядів 1,4 млн4 роки тому
Linux Command Line Full course: Beginners to Experts. Bash Command Line Tutorials
Statistic for beginners | Statistics for Data Science
Переглядів 784 тис.5 років тому
Statistic for beginners | Statistics for Data Science

КОМЕНТАРІ

  • @amoraagostini1953
    @amoraagostini1953 Годину тому

    Omg thank you so much this has been really helpful I appreciate it I'm not in high school yet but thank you for helping me catch up 😊

  • @hotchukki
    @hotchukki 4 години тому

    X = 5 - 1 means if you move the ONE to the other side it become a minus similarly to find value of a in a + 10 = 12 a = 12 - 10 a = 2 hence; 2 + 10 = 12

  • @delalify
    @delalify 20 годин тому

    My school mam is not well in maths

  • @tommystevens6747
    @tommystevens6747 День тому

    He is teaching what you need to know before calculus,with out these basics you would get lost!!! genius of a man!!!

  • @tommystevens6747
    @tommystevens6747 День тому

    Thisman is a great teacher

  • @sidrafahad3019
    @sidrafahad3019 2 дні тому

    I am in grade 3 and I am still learning it

  • @ramstudypoint7252
    @ramstudypoint7252 2 дні тому

    Nice

  • @dilshodarabbimova8414
    @dilshodarabbimova8414 5 днів тому

    Where can I find the homework? Plz help!

  • @TenguSteel
    @TenguSteel 7 днів тому

    I already knew most of the material covered in this course, however I also learned a lot. For example. I knew the terminology for domain and range, but I did not understand co-domain. I new a function had two sets, call them A and B. A is the domain, and I thought of set B as the Range. It is not, Set B is the co-domain. The Range is the subset of B which are the members of B that are actually assigned as outputs for given inputs. I didn't realize that set B can have some members of B might never get returned as they don't match as an output for any member in the domain. Is this an esoteric fact, or are there situations where this distinction is important?

  • @abelipetro5716
    @abelipetro5716 8 днів тому

    How can I join to pursue my masters

  • @Bloxieofficial
    @Bloxieofficial 9 днів тому

    This is super helpfuk

  • @SlothProgrammer
    @SlothProgrammer 10 днів тому

    Covering the Key-Vocabulary should be enforced in every tutorial by law.

  • @ramanamachireddy
    @ramanamachireddy 10 днів тому

    Thanks for such a nice video on the system design basics. It was conveyed in a simple language and easy to understand. Thanks for your great efforts and continue this great work.

  • @Okamine
    @Okamine 11 днів тому

    I hate myself, so I’m here to punish myself 😅

  • @ema-st1ri
    @ema-st1ri 11 днів тому

    idk if im stupid for replying some videos because i didn't understand a point but great video my teacher used to sleep on the job and she couldn't teach well ty for the explanation needed that

  • @viathorr
    @viathorr 12 днів тому

    4:57:10

  • @smartwholesale
    @smartwholesale 12 днів тому

    so boring tho, can hear the tiredness from him I almost slept, but its overall great content. Man could inject more life __init__

  • @sunsetgal777
    @sunsetgal777 13 днів тому

    Am I the only one who noticed he misspelled the word "usually"? He wrote "ussually." 🧐🤔

  • @kenesufernandez1281
    @kenesufernandez1281 14 днів тому

    ✨💖

  • @akshaydeogaonkar7120
    @akshaydeogaonkar7120 15 днів тому

    02:43:50 What happened with the Long Division method?

  • @WillsJazzLoft
    @WillsJazzLoft 16 днів тому

    Initially, I had found this video by accident. Subsequently, I lost it. Today, I remembered the general subject matter Linux Bash and found it yet again. This is very direct and to the point. On a scale of one to five stars, it rates five stars !!!

  • @sahrayusuf6856
    @sahrayusuf6856 20 днів тому

    When it says can i have your number😂😅😅😅😅😅😅😅😂😅😂😅😅😂😅😂😅😅😂😅😂😅😂😅😂😅😂😅

  • @sahrayusuf6856
    @sahrayusuf6856 20 днів тому

    My brain is not braining

  • @sahrayusuf6856
    @sahrayusuf6856 20 днів тому

    Bruh

  • @Mathoria5978
    @Mathoria5978 27 днів тому

    www.youtube.com/@Mathknowledgekey5978 This could be easy to understand algera for beginner i think

  • @GeraldAsare-zb5ub
    @GeraldAsare-zb5ub 27 днів тому

    I ❤ math

  • @TheOnlineMathTutor
    @TheOnlineMathTutor 28 днів тому

    For additional Algebra 1 lessons, please consider visiting my channel where important example problems with explanations are uploaded daily | @TheOnlineMathTutor Thank you!

  • @sarwanautar7598
    @sarwanautar7598 29 днів тому

    Good job

  • @user-fk9ff7sy1i
    @user-fk9ff7sy1i Місяць тому

    I am in grade four and I find this lesson interesting.

  • @JackieOlga
    @JackieOlga Місяць тому

    I know nothing so help me God, I will look for this comment afterwards

  • @upendrachowdary1787
    @upendrachowdary1787 Місяць тому

    can you share PPT as well it can very helpful to us

  • @Hey12320
    @Hey12320 Місяць тому

    Ah, algebra, a beautiful and elegant branch of mathematics that has captivated the minds of scholars for centuries. To embark on the journey of mastering algebra, one must grasp the foundational concepts of variables, constants, and equations. At its core, algebra is the study of mathematical symbols and the rules for manipulating these symbols. The ability to solve equations and manipulate mathematical expressions is a key skill in algebra. Learning to simplify expressions, solve for unknown variables, and understand the properties of numbers and operations is fundamental. Additionally, cultivating a deep understanding of algebraic concepts such as linear equations, quadratic equations, polynomials, and functions is essential. Mastering these concepts provides a solid foundation for navigating the more intricate realms of algebraic structures and abstract algebra. Practice, patience, and a willingness to delve into the depths of mathematical reasoning are crucial. Whether you are just beginning your journey into the world of algebra or seeking to expand your understanding of its complexities, the pursuit of algebraic knowledge is a rewarding endeavor that unveils the mesmerizing patterns and harmonies within the realm of mathematics.

  • @YosefTesfay
    @YosefTesfay Місяць тому

    Dear Professor, I would like to extend my thanks for the outstanding videos you have shared. They have been immensely beneficial. I am looking forward to further practice and enhancement of my skills. Could you kindly inform me about the book you reference in the videos? I wish to tackle additional problems for practice. Thank you once more for your invaluable resources.

  • @kitanaanderson3449
    @kitanaanderson3449 Місяць тому

    THANK YOU TALL PETER DINKLAGE ! ^-^

  • @ilonahjeanjasareno793
    @ilonahjeanjasareno793 Місяць тому

    😊

  • @jushkunjuret4386
    @jushkunjuret4386 Місяць тому

    (around 4:45:00)if sample proportion follows a normal distribution is a mean of p hat and square root of (p hat * q hat / n), it implys that it's possible to get a negative p hat, but that is not right? so what I am seeing is that p hat should not follow a normal distribution, am I missing something? @GeeksLesson

    • @jushkunjuret4386
      @jushkunjuret4386 Місяць тому

      BTW Hypothesis Test for Several Means starts at 8:33:00

  • @moonlix_1xve
    @moonlix_1xve Місяць тому

    Dude study now or you'll regret later

  • @jillynjackson7207
    @jillynjackson7207 Місяць тому

    Wow you broke it down for me and I understand. 😊 where were you 5 years ago. Ty Ty Ty

  • @mabeluromah8532
    @mabeluromah8532 Місяць тому

    Thanks now algebra is so simple

  • @rokaeaalkaem242
    @rokaeaalkaem242 Місяць тому

    3:07 I think usually is spelled wrong

  • @CrazyCookie448
    @CrazyCookie448 Місяць тому

    multiplication not mutiplication

  • @shatterstone3045
    @shatterstone3045 Місяць тому

    grep -c is an interesting one I didn't know. Personally, I'd just pipe it into wc (the word count program) with the -l flag for line count. Example: " cat ~/.bashrc | grep "alias" | wc -l " but now I can do this instead: " cat ~/.bashrc | grep -c alias "

  • @dineochaka309
    @dineochaka309 2 місяці тому

    Thanks Dineo Jeanette Chaka Kutumela JHB ZA

  • @beauforda.stenberg1280
    @beauforda.stenberg1280 2 місяці тому

    I think this UA-cam video was well-structured and well-presented, but it was really stock-standard in the genre. What set it apart for me, was the use of flowchart notation to visually convey aspects of an interactive command, showing child-processes, spawned sub-shell, etc., for example. These were a mark of pedagogical excellence and I appreciated them greatly.

  • @modwin2008
    @modwin2008 2 місяці тому

    Thank you im learning algebra because i will be a programing is easy how do you explain thank you 🙏 so much 4 sharing yout knowledge

  • @tenzinchoedon9090
    @tenzinchoedon9090 2 місяці тому

    Im in 5th grade

  • @tenzinchoedon9090
    @tenzinchoedon9090 2 місяці тому

    The only reason I'm watching this is because I am one of the smartest kids in the class but the the other 2 smart kids already know algebra so I'm learning

  • @adelaziz4788
    @adelaziz4788 2 місяці тому

    I FAILED BECAUSE OF YOU

  • @chandradevbhatta315
    @chandradevbhatta315 2 місяці тому

    thanks amazing content❤

  • @fernando3061
    @fernando3061 2 місяці тому

    This is absolutely fantastic, thank you.