title
Top 40 C Programming Interview Questions | C Programming Interview Questions And Answers|Simplilearn

description
🔥 IITM Pravartak Professional Certificate Program In Full Stack Development - MERN (India Only): https://www.simplilearn.com/full-stack-developer-course-and-certification-iitm-pravartak?utm_campaign=SCE-FullstackIITM&utm_medium=DescriptionFF&utm_source=youtube 🔥 Post Graduate Program In Full Stack Web Development: https://www.simplilearn.com/pgp-full-stack-web-development-certification-training-course?utm_campaign=CInterviewQuestions-Wa9NuZ90UbI&utm_medium=Descriptionff&utm_source=youtube 🔥 Caltech Coding Bootcamp (US Only): https://www.simplilearn.com/coding-bootcamp?utm_campaign=CInterviewQuestions-Wa9NuZ90UbI&utm_medium=Descriptionff&utm_source=youtube This video by Simplilearn will explain to you on Top 40 C Programming Interview Questions. C Programming Interview Questions And Answers Tutorial will explain to you the beginner-level, intermediate-level, and advanced-level programming questions. Beginner-level ✅00:00-What are the features of the c programming language? ✅02:03-Mention the dynamic memory allocation functions ✅03:20-What is the use of pointer variables in c programming and what do u mean by dangling pointer variable? ✅03:59-What is the use of break control statements? ✅04:30-what is a predefined function in c? ✅04:56 What is the use of header files in c? ✅05:47-What is a memory leak? -Intermediate level ✅06:04-Differentiate between call by value and call by reference. ✅06:40-What is the difference between a compiler and an interpreter? ✅07:16-What is typecasting? ✅07:40-What is the use of the size of an operator in c? ✅08:25-Write a c program to print the following pattern ✅10:34-Write a c code to swap two numbers without using a third variable -Advanced level ✅12:51-What is a union? ✅13:37-What is a recursion? ✅13:47-What are macros in c? ✅14:30-Write the difference between macros and functions. ✅15:00-Sort an array using a quick sort algorithm ✅19:26-Write a c code to find the Fibonacci series. ✅23:02-How to Implement a program to find the height of a binary tree? ✅26:14-Implement a C program to display a string in reverse order. ✅30:35-Implement a program to add a node at the beginning, end, and specified positions in any linked list. ✅Subscribe to our Channel to learn more about the top Technologies: https://bit.ly/2VT4WtH ⏩ Check out C++ Training videos: https://youtube.com/playlist?list=PLEiEAq2VkUUKqiV3x0XzAuMtlvyYxHuin #CProgramming #CInterviewQuestions #CInterview #InterviewQuestionsAndAnswers #CLanguageObjectiveQuestions #CProgrammingQuestions #interview #Programming #ProgrammingBook #Simplilearn 🔥Explore Our Free Courses With a Completion Certificate by SkillUp: https://www.simplilearn.com/skillup-free-online-courses?utm_campaign=CInterviewQuestions&utm_medium=Description&utm_source=youtube ➡️ About Post Graduate Program In Full Stack Web Development This program will give you the foundation for building full-stack web apps using the Java programming language. You'll begin with the basics of JavaScript, and then venture into some of the more advanced concepts like Angular, Spring Boot, Hibernate, JSPs, and MVC. Now is the perfect time to get started on your career as a full-stack web developer! ✅ Key Features - Caltech CTME Post Graduate Certificate - Enrolment in Simplilearn’s JobAssist - Receive up to 25 CEUs from Caltech CTME - Simplilearn's JobAssist helps you get noticed by top hiring companies - Attend Masterclasses from Caltech CTME instructors - Live virtual classes led by industry experts, hands-on projects and integrated labs - Online Convocation by Caltech CTME Program Director - 20 lesson-end and 5 phase-end projects - Capstone Project in 4 domains - Caltech CTME Circle Membership - Build your own portfolio on GitHub ✅ Skills Covered - Agile - JAVA - Hibernate and JPA - Spring Core 50 - DevOps - HTML5 and CSS3 - AWS - JavaScript ES6 - Servlets - SOAP and REST - JSP 👉 Learn More At: https://www.simplilearn.com/pgp-full-stack-web-development-certification-training-course?utm_campaign=CInterviewQuestions-Wa9NuZ90UbI&utm_medium=Description&utm_source=youtube 🔥 Caltech Coding Bootcamp (US Only): https://www.simplilearn.com/coding-bootcamp?utm_campaign=CInterviewQuestions-Wa9NuZ90UbI&utm_medium=Description&utm_source=youtube 🔥🔥 Interested in Attending Live Classes? Call Us: IN - 18002127688 / US - +18445327688

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{'title': 'Top 40 C Programming Interview Questions | C Programming Interview Questions And Answers|Simplilearn', 'heatmap': [{'end': 143.049, 'start': 122.087, 'weight': 0.781}, {'end': 246.057, 'start': 199.485, 'weight': 1}], 'summary': 'Covers the top 40 c programming interview questions, emphasizing the importance of preparation, and delves into c programming basics, fundamentals, concepts such as unions and enumerations, and practical coding examples including recursive factorial program, binary trees, and c programming q&a.', 'chapters': [{'end': 238.132, 'segs': [{'end': 28.097, 'src': 'embed', 'start': 1.078, 'weight': 0, 'content': [{'end': 4.699, 'text': 'C programming interview questions are a major part of every interview procedure.', 'start': 1.078, 'duration': 3.621}, {'end': 12.202, 'text': 'This video has covered all the basic interview questions and that every candidate is asked to check his or her knowledge in their programming skills.', 'start': 5.28, 'duration': 6.922}, {'end': 16.544, 'text': 'They have become essential to crack by every interview in the current IT industry.', 'start': 12.722, 'duration': 3.822}, {'end': 24.967, 'text': 'So please stick till the end of this video while we give away answers to that one important C programming question that is the most frequently asked in every interview.', 'start': 17.584, 'duration': 7.383}, {'end': 28.097, 'text': 'Hey guys, welcome to Simply Learn.', 'start': 26.516, 'duration': 1.581}], 'summary': 'C programming interview questions are essential to crack for every candidate in the it industry.', 'duration': 27.019, 'max_score': 1.078, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI1078.jpg'}, {'end': 100.24, 'src': 'embed', 'start': 60.011, 'weight': 1, 'content': [{'end': 68.035, 'text': "this video is categorized into beginner level, intermediate level and advanced level questions, so without further delay, let's get started.", 'start': 60.011, 'duration': 8.024}, {'end': 71.277, 'text': 'the first question is what are the features of the c programming language?', 'start': 68.035, 'duration': 3.242}, {'end': 73.896, 'text': 'C is simple and portable.', 'start': 72.375, 'duration': 1.521}, {'end': 75.416, 'text': 'It is a media-level language.', 'start': 74.296, 'duration': 1.12}, {'end': 77.377, 'text': 'It has features of modularity.', 'start': 75.836, 'duration': 1.541}, {'end': 78.958, 'text': 'C is rich in library.', 'start': 77.937, 'duration': 1.021}, {'end': 84.48, 'text': 'It is a procedural language, easy to extend, and it consists of built-in operations.', 'start': 79.458, 'duration': 5.022}, {'end': 86.581, 'text': 'It also provides memory management.', 'start': 84.9, 'duration': 1.681}, {'end': 90.663, 'text': 'The next question is, mention different data types in C.', 'start': 87.902, 'duration': 2.761}, {'end': 96.179, 'text': 'Data types are classified into basic, derived, and user-defined data types.', 'start': 92.358, 'duration': 3.821}, {'end': 100.24, 'text': 'Basic data types are int, char, float, and double.', 'start': 96.899, 'duration': 3.341}], 'summary': 'Video categorizes c programming features and data types into beginner, intermediate, and advanced levels, with key features like simplicity, portability, modularity, media-level language, and user-defined, basic, and derived data types like int, char, float, and double being discussed.', 'duration': 40.229, 'max_score': 60.011, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI60011.jpg'}, {'end': 148.915, 'src': 'heatmap', 'start': 122.087, 'weight': 3, 'content': [{'end': 126.33, 'text': 'Dynamic memory allocation functions are m-alloc, c-alloc, re-alloc and free.', 'start': 122.087, 'duration': 4.243}, {'end': 135.12, 'text': 'When we use the MLog function, the continuous block of memory will be allocated, and the pointer variable will hold the address of the first element.', 'start': 127.952, 'duration': 7.168}, {'end': 143.049, 'text': 'CLog function is similar to MLog function, but in the case of CLog function, multiple blocks of memory of the same size will be allocated,', 'start': 136.001, 'duration': 7.048}, {'end': 144.831, 'text': 'which holds zero value by default.', 'start': 143.049, 'duration': 1.782}, {'end': 148.915, 'text': 'And it takes two arguments, that is number element and element size.', 'start': 145.451, 'duration': 3.464}], 'summary': 'Memory allocation functions include m-alloc, c-alloc, re-alloc, and free. mlog allocates a continuous memory block, while clog allocates multiple blocks of memory with default zero value, taking two arguments.', 'duration': 26.828, 'max_score': 122.087, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI122087.jpg'}, {'end': 204.267, 'src': 'embed', 'start': 178.47, 'weight': 4, 'content': [{'end': 182.812, 'text': 'Variables declared inside the functions with the keyword local are called local variables.', 'start': 178.47, 'duration': 4.342}, {'end': 186.953, 'text': 'The local variable scope is inside the functions in which it is declared.', 'start': 183.432, 'duration': 3.521}, {'end': 191.895, 'text': 'Variables declared outside the functions with the keyword global are called global variables.', 'start': 187.813, 'duration': 4.082}, {'end': 195.656, 'text': 'And they can be accessed by multiple functions defined in the program.', 'start': 192.415, 'duration': 3.241}, {'end': 198.277, 'text': 'Moving ahead to the next question.', 'start': 196.636, 'duration': 1.641}, {'end': 204.267, 'text': 'What is the use of pointer variables in C programming and what do you mean by dangling pointer variable?', 'start': 199.485, 'duration': 4.782}], 'summary': 'Local variables have function scope, while global variables can be accessed by multiple functions. next, discussion on pointer variables and dangling pointer variable in c programming.', 'duration': 25.797, 'max_score': 178.47, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI178470.jpg'}], 'start': 1.078, 'title': 'C programming interview and basics q&a', 'summary': 'Provides top 40 c programming interview questions, and emphasizes the importance of preparation to succeed in the it industry. it also covers c programming language features, data types, functions, and variables.', 'chapters': [{'end': 60.011, 'start': 1.078, 'title': 'C programming interview q&a', 'summary': 'Covers the top 40 c programming interview questions and emphasizes the importance of preparing for these questions to succeed in the current it industry.', 'duration': 58.933, 'highlights': ['The video covers the top 40 C programming interview questions and answers, focusing on the essential knowledge required for cracking interviews in the IT industry.', 'It emphasizes the importance of preparing for these questions to succeed in the current IT industry.', 'The video encourages audience engagement by prompting them to test their knowledge and leave their answers in the comment section, while also requesting likes and subscriptions for the content.']}, {'end': 238.132, 'start': 60.011, 'title': 'C programming basics q&a', 'summary': 'Covers the features of c programming language, different data types, static functions, dynamic memory allocation functions, local and global variables, pointer variables and dangling pointer variables.', 'duration': 178.121, 'highlights': ['The chapter covers the features of C programming language, discussing its simplicity, portability, modularity, media-level nature, rich library, and memory management.', 'The types of data in C, including basic (int, char, float, double), derived (array, pointers), and user-defined (enum, structure, unions) data types, are explained.', 'Explanation of dynamic memory allocation functions, including m-alloc, c-alloc, re-alloc, and free, and their specific functionalities is provided, emphasizing efficient memory usage and deallocation.', 'The distinction between local and global variables is clarified, highlighting their scopes and accessibility within the program.', 'The usage of pointer variables in C programming, their purpose in accessing memory locations, and the concept of dangling pointer variables are detailed, highlighting their significance in data manipulation and storage optimization.']}], 'duration': 237.054, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI1078.jpg', 'highlights': ['The video covers the top 40 C programming interview questions and answers, focusing on essential knowledge for cracking interviews in the IT industry.', 'The chapter covers the features of C programming language, discussing its simplicity, portability, modularity, media-level nature, rich library, and memory management.', 'The types of data in C, including basic (int, char, float, double), derived (array, pointers), and user-defined (enum, structure, unions) data types, are explained.', 'Explanation of dynamic memory allocation functions, including m-alloc, c-alloc, re-alloc, and free, and their specific functionalities is provided, emphasizing efficient memory usage and deallocation.', 'The distinction between local and global variables is clarified, highlighting their scopes and accessibility within the program.']}, {'end': 767.461, 'segs': [{'end': 284.944, 'src': 'embed', 'start': 259.125, 'weight': 0, 'content': [{'end': 268.065, 'text': 'Tokens are the smallest individual elements in the program, which include keywords, identifiers, constants, special symbols, strings and operations.', 'start': 259.125, 'duration': 8.94}, {'end': 273.422, 'text': 'What is predefined functions in C? Predefined functions are the built-in functions.', 'start': 269.181, 'duration': 4.241}, {'end': 276.722, 'text': 'It helps user to use already existing code in the program.', 'start': 273.822, 'duration': 2.9}, {'end': 284.944, 'text': 'What is the use of printf and scanf function? Printf and scanf are inbuilt library functions defined in the standard input-output header file.', 'start': 277.483, 'duration': 7.461}], 'summary': 'Tokens are program elements, including keywords, identifiers, constants, special symbols, strings, and operations. predefined functions in c are built-in, enabling the use of existing code. printf and scanf are inbuilt library functions in the standard input-output header file.', 'duration': 25.819, 'max_score': 259.125, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI259125.jpg'}, {'end': 339.867, 'src': 'embed', 'start': 298.705, 'weight': 1, 'content': [{'end': 302.951, 'text': 'Programs can make use of standard library functions by defining hash include in the program.', 'start': 298.705, 'duration': 4.246}, {'end': 306.376, 'text': 'It reduces the number of code and complexity of the program.', 'start': 303.372, 'duration': 3.004}, {'end': 310.825, 'text': 'What is an array? Mention its different types.', 'start': 308.424, 'duration': 2.401}, {'end': 314.425, 'text': 'An array is a homogeneous collection of elements of the same data type.', 'start': 311.285, 'duration': 3.14}, {'end': 319.326, 'text': 'That means similar types of elements are stored under one name called an array name,', 'start': 314.905, 'duration': 4.421}, {'end': 322.927, 'text': 'and also the array of elements stored in consecutive block of memory.', 'start': 319.326, 'duration': 3.601}, {'end': 328.708, 'text': 'Types of array includes one-dimensional array, two-dimensional array, and multi-dimensional array.', 'start': 323.567, 'duration': 5.141}, {'end': 337.566, 'text': 'Next, what is the use of const keyword? Using a const keyword, the value of a variable is constant throughout the program runtime.', 'start': 329.568, 'duration': 7.998}, {'end': 339.867, 'text': 'Constant values are unchangeable.', 'start': 338.126, 'duration': 1.741}], 'summary': 'Using standard library functions reduces code complexity. an array is a homogeneous collection of elements of the same data type, stored in consecutive memory blocks. types of arrays include one-dimensional, two-dimensional, and multi-dimensional. the const keyword ensures constant variable values throughout the program runtime.', 'duration': 41.162, 'max_score': 298.705, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI298705.jpg'}, {'end': 397.118, 'src': 'embed', 'start': 366.92, 'weight': 3, 'content': [{'end': 369.841, 'text': 'In call-by-value, we pass values by copying variables.', 'start': 366.92, 'duration': 2.921}, {'end': 373.102, 'text': 'In call-by-reference, we pass the address of the variable.', 'start': 370.481, 'duration': 2.621}, {'end': 378.404, 'text': 'In call-by-value, the memory location for formal and actual arguments are created separately.', 'start': 373.742, 'duration': 4.662}, {'end': 383.566, 'text': 'In the case of call-by-reference, the formal and actual arguments share the same memory location.', 'start': 379.064, 'duration': 4.502}, {'end': 390.496, 'text': 'Any changes made in copy of variables will not affect the value of a variable outside the function in call by value.', 'start': 384.614, 'duration': 5.882}, {'end': 397.118, 'text': 'Whereas in call by reference, any changes made in the variables will also affect the value of the variable outside the function.', 'start': 391.256, 'duration': 5.862}], 'summary': 'Call-by-value creates separate memory locations, while call-by-reference shares the same memory location.', 'duration': 30.198, 'max_score': 366.92, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI366920.jpg'}, {'end': 423.807, 'src': 'embed', 'start': 399.978, 'weight': 4, 'content': [{'end': 407.961, 'text': 'What is the difference between a compiler and an interpreter? A compiler compiles the whole code at a time and displays all the errors.', 'start': 399.978, 'duration': 7.983}, {'end': 412.962, 'text': 'Whereas the interpreter executes the program line by line and displays the error of every single line.', 'start': 408.261, 'duration': 4.701}, {'end': 421.301, 'text': 'What are the entry and exit loops in C? A loop in which the condition is checked first and then executes the statements is known as an entry loop.', 'start': 414.107, 'duration': 7.194}, {'end': 423.807, 'text': 'For example, a while loop is an entry loop.', 'start': 421.562, 'duration': 2.245}], 'summary': 'Compiler vs interpreter: compiler compiles whole code, interpreter executes line by line. entry loop checks condition first, then executes statements.', 'duration': 23.829, 'max_score': 399.978, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI399978.jpg'}], 'start': 238.612, 'title': 'C programming fundamentals and examples', 'summary': 'Discusses c programming basics, covering break control statements, tokens, predefined functions, printf and scanf functions, header files, array types, const keyword, memory leaks, and call-by-value vs call-by-reference. it also explores c programming concepts such as compiler vs interpreter, entry and exit loops, typecasting, storage classes, size of operator usage, string handling functions, and practical coding examples like pattern printing and number swapping.', 'chapters': [{'end': 399.178, 'start': 238.612, 'title': 'C programming basics', 'summary': 'Covers the basics of c programming, including the use of break control statements, tokens in c, predefined functions, printf and scanf functions, header files, array types, const keyword, memory leaks, and call-by-value vs call-by-reference.', 'duration': 160.566, 'highlights': ['Tokens are the smallest individual elements in the program, which include keywords, identifiers, constants, special symbols, strings and operations. Explains the definition of tokens in C programming, including the various elements that tokens encompass.', 'An array is a homogeneous collection of elements of the same data type, including one-dimensional, two-dimensional, and multi-dimensional arrays. Defines an array and its types, providing a clear understanding of arrays in C programming.', 'Using a const keyword, the value of a variable is constant throughout the program runtime, making the constant values unchangeable. Describes the usage and syntax of the const keyword, emphasizing its role in maintaining constant values in C programming.', 'When the memory is allocated dynamically and not deallocated even when the memory is no longer required, it leads to a memory leak. Defines a memory leak and explains the scenario where dynamically allocated memory is not deallocated, resulting in a memory leak.', 'Differentiates between call-by-value and call-by-reference, including the creation and impact on memory locations and the effect on variables outside the function. Compares call-by-value and call-by-reference, highlighting the differences in memory locations and their effects on variables.']}, {'end': 767.461, 'start': 399.978, 'title': 'C programming concepts and examples', 'summary': 'Covers the differences between a compiler and an interpreter, entry and exit loops in c, typecasting, storage classes, size of operator usage, string handling functions, and practical coding examples including pattern printing and number swapping in c programming.', 'duration': 367.483, 'highlights': ['The chapter covers the differences between a compiler and an interpreter, entry and exit loops in C, typecasting, storage classes, size of operator usage, string handling functions, and practical coding examples including pattern printing and number swapping in C programming. The chapter provides an overview of fundamental concepts in C programming, including differences between a compiler and an interpreter, entry and exit loops, typecasting, storage classes, size of operator usage, string handling functions, and practical coding examples.', 'Four types of storage classes in C are automatic, register, static, and external. The four types of storage classes in C are automatic, register, static, and external, providing a comprehensive understanding of how variables are stored and accessed within a C program.', 'String handling functions in C include strlen, strcat, strcpy, and strcmp. The string handling functions in C, such as strlen, strcat, strcpy, and strcmp, are essential for manipulating and comparing strings, contributing to efficient string operations in C programming.', 'The size of operator is applied to data types such as int, char, float, etc. to determine the exact size of a variable in bytes. The size of operator in C is used to determine the precise size of a variable in bytes for data types such as int, char, float, etc., aiding in memory management and optimization.', 'Typecasting is the process of converting one data type to another, where automatic conversion is known as implicit conversion. Typecasting involves converting one data type to another, with automatic conversion referred to as implicit conversion, which is crucial for ensuring proper data manipulation and compatibility in C programming.']}], 'duration': 528.849, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI238612.jpg', 'highlights': ['Explains the definition of tokens in C programming, including the various elements that tokens encompass.', 'Defines an array and its types, providing a clear understanding of arrays in C programming.', 'Describes the usage and syntax of the const keyword, emphasizing its role in maintaining constant values in C programming.', 'Compares call-by-value and call-by-reference, highlighting the differences in memory locations and their effects on variables.', 'The chapter provides an overview of fundamental concepts in C programming, including differences between a compiler and an interpreter, entry and exit loops, typecasting, storage classes, size of operator usage, string handling functions, and practical coding examples.']}, {'end': 1045.204, 'segs': [{'end': 796.139, 'src': 'embed', 'start': 767.461, 'weight': 0, 'content': [{'end': 769.302, 'text': 'Moving on to the advanced level questions.', 'start': 767.461, 'duration': 1.841}, {'end': 776.827, 'text': 'First, what is a union? Union is a special data type that holds the element of different data types at the same memory location.', 'start': 769.602, 'duration': 7.225}, {'end': 779.729, 'text': 'The concept of structure and unions are the same.', 'start': 777.407, 'duration': 2.322}, {'end': 783.752, 'text': 'However, the only difference is in terms of storage space and the keyword.', 'start': 780.129, 'duration': 3.623}, {'end': 793.338, 'text': 'In union, memory is allocated once the variable is created and the union variables are created to access and assign values of the union members in C.', 'start': 784.332, 'duration': 9.006}, {'end': 796.139, 'text': 'The next question is what are enumeration?', 'start': 793.338, 'duration': 2.801}], 'summary': 'A union holds elements of different data types at the same memory location, while enumerations define a set of named integer constants.', 'duration': 28.678, 'max_score': 767.461, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI767461.jpg'}, {'end': 881.785, 'src': 'embed', 'start': 807.664, 'weight': 1, 'content': [{'end': 814.906, 'text': 'the syntax of enumeration is enum, enum name and list of constants separated with the help of comma operator.', 'start': 807.664, 'duration': 7.242}, {'end': 817.787, 'text': 'and the next question is what is a recursion?', 'start': 814.906, 'duration': 2.881}, {'end': 820.768, 'text': 'recursion is a process of making a function call itself.', 'start': 817.787, 'duration': 2.981}, {'end': 823.749, 'text': 'in short, they use a call function inside the same function.', 'start': 820.768, 'duration': 2.981}, {'end': 827.761, 'text': 'The next question is what are macros in C?', 'start': 825.02, 'duration': 2.741}, {'end': 831.063, 'text': 'Macro in C is defined by the hash define directive.', 'start': 828.502, 'duration': 2.561}, {'end': 839.167, 'text': 'A macro is a name given to a piece of code, so whenever the compiler encounters a macro in a C program, it will replace it with a macro value.', 'start': 831.663, 'duration': 7.504}, {'end': 843.029, 'text': 'In the macro definition, the macro are not terminated by the semicolon.', 'start': 839.527, 'duration': 3.502}, {'end': 848.911, 'text': 'Syntax of a macro, hash define, macro name, followed by macro value.', 'start': 844.129, 'duration': 4.782}, {'end': 854.114, 'text': 'Example, hash define, pi, 3.14, and semicolon at the end.', 'start': 849.372, 'duration': 4.742}, {'end': 857.258, 'text': 'What are file operations in C?', 'start': 855.717, 'duration': 1.541}, {'end': 867.726, 'text': 'Creating a file, writing a file, reading a file, seek, operation within a file and truncating a file and at last, deleting a file.', 'start': 858.259, 'duration': 9.467}, {'end': 871.839, 'text': 'What are the difference between macros and functions?', 'start': 869.437, 'duration': 2.402}, {'end': 875.661, 'text': 'Macros are pre-processed, but functions are compiled.', 'start': 872.479, 'duration': 3.182}, {'end': 878.463, 'text': 'Using macros, execution speed is faster.', 'start': 876.422, 'duration': 2.041}, {'end': 881.785, 'text': 'And in the case of functions, the speed of execution is slower.', 'start': 878.863, 'duration': 2.922}], 'summary': 'Enumeration, recursion, macros, file operations, and differences between macros and functions in c programming.', 'duration': 74.121, 'max_score': 807.664, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI807664.jpg'}, {'end': 929.866, 'src': 'embed', 'start': 901.533, 'weight': 5, 'content': [{'end': 910.118, 'text': 'So as you can see the screen we have a quick sort algorithm function declared where we have array of size 25 left and right variables.', 'start': 901.533, 'duration': 8.585}, {'end': 914.14, 'text': 'So coming to the main function we have i, count and array.', 'start': 910.778, 'duration': 3.362}, {'end': 921.324, 'text': 'using printf function it will print enter the number of elements, so it will take the number of elements.', 'start': 915.942, 'duration': 5.382}, {'end': 929.866, 'text': 'that means, suppose you want to sort 5 elements, so it will take that number and then it will take elements one by one, using this for loop.', 'start': 921.324, 'duration': 8.542}], 'summary': 'Quick sort algorithm with array of size 25 sorting 5 elements using a for loop.', 'duration': 28.333, 'max_score': 901.533, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI901533.jpg'}], 'start': 767.461, 'title': 'C programming concepts', 'summary': 'Explains unions and enumerations in c, discussing their syntax, definitions, and usage, as well as covering recursion, macros, file operations, and quick sort algorithm.', 'chapters': [{'end': 807.664, 'start': 767.461, 'title': 'C programming: unions and enumerations', 'summary': 'Discusses unions and enumerations in c programming, explaining that a union is a special data type that holds elements of different data types at the same memory location, while an enum is a user-defined data type consisting of integral constants.', 'duration': 40.203, 'highlights': ['The concept of structure and unions are the same, but the only difference lies in terms of storage space and the keyword.', 'A union is a special data type that holds the element of different data types at the same memory location, optimizing memory usage.', 'An enum is a user-defined data type consisting of an integral constant, providing a way to define sets of integral constants in C programming.']}, {'end': 1045.204, 'start': 807.664, 'title': 'C programming: enum, recursion, macros, file operations, quick sort', 'summary': 'Covers the syntax of enumeration, recursion, macros, file operations, and quick sort algorithm in c, highlighting their definitions, usage, and implementation details.', 'duration': 237.54, 'highlights': ["Quick Sort algorithm implementation The transcript provides a detailed explanation of the implementation of the Quick Sort algorithm in C, including the variables used, the logic for sorting elements, and a demonstration of the algorithm's successful sorting of elements.", 'Macro definition and usage in C The transcript explains the syntax and usage of macros in C, emphasizing the replacement of macro names with their values during compilation and providing an example of defining a macro for pi as 3.14.', 'Explanation of recursion in C The chapter defines recursion in C as a process where a function calls itself, providing a concise explanation of its usage and its impact on program execution.', 'File operations in C The transcript outlines various file operations in C, such as creating, writing, reading, seeking within, truncating, and deleting files, demonstrating the comprehensive coverage of file handling in C programming.', 'Syntax and usage of enumeration in C The chapter introduces the syntax of enumeration in C and its usage for defining a list of constants, providing a clear understanding of enumeration in the context of C programming.']}], 'duration': 277.743, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI767461.jpg', 'highlights': ['A union is a special data type that holds the element of different data types at the same memory location, optimizing memory usage.', 'Syntax and usage of enumeration in C The chapter introduces the syntax of enumeration in C and its usage for defining a list of constants, providing a clear understanding of enumeration in the context of C programming.', 'Explanation of recursion in C The chapter defines recursion in C as a process where a function calls itself, providing a concise explanation of its usage and its impact on program execution.', 'File operations in C The transcript outlines various file operations in C, such as creating, writing, reading, seeking within, truncating, and deleting files, demonstrating the comprehensive coverage of file handling in C programming.', 'Macro definition and usage in C The transcript explains the syntax and usage of macros in C, emphasizing the replacement of macro names with their values during compilation and providing an example of defining a macro for pi as 3.14.', "Quick Sort algorithm implementation The transcript provides a detailed explanation of the implementation of the Quick Sort algorithm in C, including the variables used, the logic for sorting elements, and a demonstration of the algorithm's successful sorting of elements.", 'The concept of structure and unions are the same, but the only difference lies in terms of storage space and the keyword.']}, {'end': 1377.713, 'segs': [{'end': 1144.972, 'src': 'embed', 'start': 1102.926, 'weight': 0, 'content': [{'end': 1107.577, 'text': 'So what this basically do is three into two.', 'start': 1102.926, 'duration': 4.651}, {'end': 1110.878, 'text': 'it will perform three into two.', 'start': 1107.577, 'duration': 3.301}, {'end': 1112.279, 'text': "so three two's are six.", 'start': 1110.878, 'duration': 1.401}, {'end': 1115.84, 'text': 'so it will print six.', 'start': 1112.279, 'duration': 3.561}, {'end': 1117.201, 'text': 'factorial of three is six.', 'start': 1115.84, 'duration': 1.361}, {'end': 1121.242, 'text': "so let's check it.", 'start': 1117.201, 'duration': 4.041}, {'end': 1122.863, 'text': 'so enter a positive integer.', 'start': 1121.242, 'duration': 1.621}, {'end': 1126.244, 'text': "let's enter three and the value is six.", 'start': 1122.863, 'duration': 3.381}, {'end': 1134.408, 'text': 'so similarly, if suppose the number is five, five into fact, of five minus one, that is four.', 'start': 1126.244, 'duration': 8.164}, {'end': 1144.972, 'text': 'so what it does is it will take 5 x 4 x 3 x 2 x 1.', 'start': 1134.408, 'duration': 10.564}], 'summary': 'The program calculates the factorial of numbers and prints the result, such as 3! = 6 and 5! = 120.', 'duration': 42.046, 'max_score': 1102.926, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI1102926.jpg'}, {'end': 1300.901, 'src': 'embed', 'start': 1268.193, 'weight': 1, 'content': [{'end': 1273.296, 'text': 'So again this will continue the process till the i value is less than num.', 'start': 1268.193, 'duration': 5.103}, {'end': 1274.277, 'text': "So let's execute it.", 'start': 1273.296, 'duration': 0.981}, {'end': 1283.508, 'text': "So let's run the program.", 'start': 1282.287, 'duration': 1.221}, {'end': 1286.71, 'text': 'So enter the number of terms.', 'start': 1285.309, 'duration': 1.401}, {'end': 1296.858, 'text': "So let's enter 5 and the Fibonacci series of 5 is 0, 1, 1, 2 and 3.", 'start': 1287.031, 'duration': 9.827}, {'end': 1300.901, 'text': 'And the next question is write a program to check whether a given number is prime number.', 'start': 1296.858, 'duration': 4.043}], 'summary': 'Program generates fibonacci series of 5 and checks prime numbers.', 'duration': 32.708, 'max_score': 1268.193, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI1268193.jpg'}, {'end': 1342.257, 'src': 'embed', 'start': 1320.494, 'weight': 2, 'content': [{'end': 1332.813, 'text': 'so then it will print enter the number to check prime and it will take the number for condition i is equal to 2 till i lesser or equal to num divided by 2.', 'start': 1320.494, 'duration': 12.319}, {'end': 1336.595, 'text': 'Then checks the condition if num module i is equal equal to 0..', 'start': 1332.813, 'duration': 3.782}, {'end': 1342.257, 'text': 'This is the condition that it has to meet to check whether the number is prime or not.', 'start': 1336.595, 'duration': 5.662}], 'summary': 'A program to check for prime numbers by dividing a number by 2 and checking for remainders.', 'duration': 21.763, 'max_score': 1320.494, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI1320494.jpg'}], 'start': 1048.415, 'title': 'Recursive factorial program in c', 'summary': 'Demonstrates the implementation of a recursive method to print the factorial of a given number, with examples using positive integers such as 3 and 5 and covers calculating factorial, finding fibonacci series, and checking prime numbers in c programming.', 'chapters': [{'end': 1144.972, 'start': 1048.415, 'title': 'Factorial recursive program', 'summary': 'Demonstrates the implementation of a recursive method to print the factorial of a given number, with examples using positive integers such as 3 and 5.', 'duration': 96.557, 'highlights': ['The program illustrates the recursive method to calculate the factorial of a given number, for example, 3 and 5.', "The main function declares a variable 'n' and prompts the user to enter a positive integer before calling the fact function.", 'The fact function utilizes recursion to calculate the factorial, with the example showcasing the process for the numbers 3 and 5.']}, {'end': 1377.713, 'start': 1144.972, 'title': 'C programming practice', 'summary': 'Covers calculating factorial, finding fibonacci series, and checking prime numbers in c programming, with examples and explanations provided for each, including a demonstration of factorial calculation, fibonacci series generation, and prime number verification.', 'duration': 232.741, 'highlights': ['The Fibonacci series is calculated by taking input for the number of terms and then using a for loop to generate the series, with the program demonstrated to produce the Fibonacci series of 5 as 0, 1, 1, 2, and 3.', 'The process to check whether a given number is prime involves taking input for the number, using a for loop to iterate through the numbers, and applying a condition to determine primality, with examples provided for both prime and non-prime numbers.', 'The calculation of the factorial of a number is showcased by taking input for a specific number and then computing its factorial value, with the example demonstrating the factorial of 5 as 120.']}], 'duration': 329.298, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI1048415.jpg', 'highlights': ['The fact function utilizes recursion to calculate the factorial, with the example showcasing the process for the numbers 3 and 5.', 'The program demonstrated to produce the Fibonacci series of 5 as 0, 1, 1, 2, and 3.', 'The process to check whether a given number is prime involves taking input for the number, using a for loop to iterate through the numbers, and applying a condition to determine primality, with examples provided for both prime and non-prime numbers.']}, {'end': 2039.326, 'segs': [{'end': 1402.981, 'src': 'embed', 'start': 1377.713, 'weight': 0, 'content': [{'end': 1382.796, 'text': 'the next question is how to implement a program to find the height of a binary tree.', 'start': 1377.713, 'duration': 5.083}, {'end': 1386.779, 'text': 'so, as you can see the screen, we have the structure of node.', 'start': 1382.796, 'duration': 3.983}, {'end': 1394.175, 'text': 'then we have a variable data and nodes left child structure and right height, right child structure.', 'start': 1387.731, 'duration': 6.444}, {'end': 1400.419, 'text': 'so we have a function called height to find the height, actual height of a binary tree.', 'start': 1394.175, 'duration': 6.244}, {'end': 1402.981, 'text': 'so if node is equal, equal to null.', 'start': 1400.419, 'duration': 2.562}], 'summary': 'Implement a program to find the height of a binary tree using node structure and a height function.', 'duration': 25.268, 'max_score': 1377.713, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI1377713.jpg'}, {'end': 1592.389, 'src': 'embed', 'start': 1557.708, 'weight': 1, 'content': [{'end': 1559.429, 'text': 'suppose we need 5 odd numbers.', 'start': 1557.708, 'duration': 1.721}, {'end': 1562.933, 'text': 'so odd numbers are 1, 3, 5, 7 and 9.', 'start': 1559.429, 'duration': 3.504}, {'end': 1565.795, 'text': 'so then it will add up all these odd numbers.', 'start': 1562.933, 'duration': 2.862}, {'end': 1573.061, 'text': 'so the sum of odd natural numbers up to 5 terms are 25.', 'start': 1565.795, 'duration': 7.266}, {'end': 1577.143, 'text': 'next, implement a C program to display a string in reverse order.', 'start': 1573.061, 'duration': 4.082}, {'end': 1582.325, 'text': 'so basically we have a string where we are going to reverse the string.', 'start': 1577.143, 'duration': 5.182}, {'end': 1592.389, 'text': 'so here we have declared char string 1 of size 100 and we have a temp variable and then length l, r and i.', 'start': 1582.325, 'duration': 10.064}], 'summary': 'Sum of 5 odd numbers is 25. c program reverses string.', 'duration': 34.681, 'max_score': 1557.708, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI1557708.jpg'}, {'end': 1674.083, 'src': 'embed', 'start': 1646.227, 'weight': 4, 'content': [{'end': 1650.488, 'text': 'Then whatever is there in string of 1 of r is given to string of 1 of i.', 'start': 1646.227, 'duration': 4.261}, {'end': 1653.769, 'text': 'Then whatever is there in temp is assigned to string of 1 of r.', 'start': 1650.488, 'duration': 3.281}, {'end': 1655.669, 'text': 'Then the increment r minus minus.', 'start': 1653.769, 'duration': 1.9}, {'end': 1660.239, 'text': 'Then again it will go to i and increment i by 1.', 'start': 1655.949, 'duration': 4.29}, {'end': 1664.18, 'text': 'so from i is equal to l, l to r.', 'start': 1660.239, 'duration': 3.941}, {'end': 1667.561, 'text': 'it will perform all these operations and then reverse a string.', 'start': 1664.18, 'duration': 3.381}, {'end': 1670.502, 'text': 'so, one by one, it will put and reverse a string.', 'start': 1667.561, 'duration': 2.941}, {'end': 1674.083, 'text': "so let's execute.", 'start': 1670.502, 'duration': 3.581}], 'summary': 'String manipulation and reverse operation executed iteratively.', 'duration': 27.856, 'max_score': 1646.227, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI1646227.jpg'}, {'end': 1738.342, 'src': 'embed', 'start': 1708.024, 'weight': 3, 'content': [{'end': 1710.265, 'text': 'so here this is a sorted array.', 'start': 1708.024, 'duration': 2.241}, {'end': 1714.007, 'text': 'so basically we are going to delete the duplicate elements.', 'start': 1710.265, 'duration': 3.742}, {'end': 1718.569, 'text': 'so for that we have a remove duplicate array function.', 'start': 1714.007, 'duration': 4.562}, {'end': 1723.571, 'text': 'so if n is equal equal to 0 or n is equal equal to 1, then return n.', 'start': 1718.569, 'duration': 5.002}, {'end': 1727.913, 'text': 'so if the elements are 0 or the element is 1, just return those elements.', 'start': 1723.571, 'duration': 4.342}, {'end': 1735.019, 'text': 'then declaring the temp variable, and this function is used for traversal.', 'start': 1728.832, 'duration': 6.187}, {'end': 1738.342, 'text': 'so the control will travel all the array elements.', 'start': 1735.019, 'duration': 3.323}], 'summary': 'A sorted array is processed to remove duplicate elements using a specific function.', 'duration': 30.318, 'max_score': 1708.024, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI1708024.jpg'}, {'end': 1877.813, 'src': 'embed', 'start': 1844.471, 'weight': 2, 'content': [{'end': 1851.593, 'text': 'so here we have the node structure where we have data and also the variable next.', 'start': 1844.471, 'duration': 7.122}, {'end': 1860.455, 'text': 'so we have a function for insertion at beginning, insertion at end and insertion after a node.', 'start': 1851.593, 'duration': 8.862}, {'end': 1864.276, 'text': 'so first, starting with insertion at beginning,', 'start': 1860.455, 'duration': 3.821}, {'end': 1877.813, 'text': 'we are creating a new node and allocating memory to it using MLog function and we are assigning a new data to a new nodes data part and new nodes next is assigned to head.', 'start': 1864.276, 'duration': 13.537}], 'summary': 'Node structure with insertion at beginning, end, and after a node.', 'duration': 33.342, 'max_score': 1844.471, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI1844471.jpg'}], 'start': 1377.713, 'title': 'Binary trees and c programming q&a', 'summary': 'Discusses finding binary tree height, summing odd natural numbers, and reversing strings, as well as addressing string reversal, duplicate removal from a sorted array, and adding nodes to a linked list in c programming.', 'chapters': [{'end': 1582.325, 'start': 1377.713, 'title': 'Binary tree height and odd number sum', 'summary': 'Discusses how to find the height of a binary tree and then proceeds to write a c code to find and sum the n terms of odd natural numbers, along with implementing a program to display a string in reverse order.', 'duration': 204.612, 'highlights': ['The chapter discusses how to find the height of a binary tree The chapter starts by explaining the implementation of a program to find the height of a binary tree, utilizing a function called height and demonstrating the creation of a new node with assigned values.', 'Write a C code to find the n terms odd natural number and find the sum The chapter then proceeds to illustrate a C code to find and sum the n terms of odd natural numbers, initializing variables i, n, and sum, and utilizing a for loop to calculate the sum of odd numbers up to n terms.', 'Implement a C program to display a string in reverse order The chapter concludes with the implementation of a program to display a string in reverse order, without providing specific details of the code or method utilized.']}, {'end': 2039.326, 'start': 1582.325, 'title': 'C programming q&a highlights', 'summary': 'Covers the process of reversing a string, removing duplicates from a sorted array, and adding nodes to a linked list, with examples and explanations for each process.', 'duration': 457.001, 'highlights': ["Reversing a string process explained The process of reversing a string is explained, involving the use of left and right indices and a temporary variable, demonstrated with an example and executed with the string 'simply' resulting in 'ilpmis'.", 'Removing duplicates from a sorted array The function for removing duplicates from a sorted array is outlined, including the process of traversing the array, checking for duplicate elements, and modifying the array to remove duplicates, illustrated with an array containing duplicates and successfully demonstrating the removal process.', "Adding nodes to a linked list The process of adding nodes to a linked list is detailed, covering insertion at the beginning, end, and after a specified position, demonstrated with the creation of a linked list containing elements '10, 15, 20, 25, and 30' and successfully displaying the linked list."]}], 'duration': 661.613, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/Wa9NuZ90UbI/pics/Wa9NuZ90UbI1377713.jpg', 'highlights': ['The chapter discusses how to find the height of a binary tree', 'Write a C code to find the n terms odd natural number and find the sum', 'Adding nodes to a linked list', 'Removing duplicates from a sorted array', 'Reversing a string process explained']}], 'highlights': ['The video covers the top 40 C programming interview questions and answers, focusing on essential knowledge for cracking interviews in the IT industry.', 'The chapter covers the features of C programming language, discussing its simplicity, portability, modularity, media-level nature, rich library, and memory management.', 'The types of data in C, including basic (int, char, float, double), derived (array, pointers), and user-defined (enum, structure, unions) data types, are explained.', 'Explanation of dynamic memory allocation functions, including m-alloc, c-alloc, re-alloc, and free, and their specific functionalities is provided, emphasizing efficient memory usage and deallocation.', 'The distinction between local and global variables is clarified, highlighting their scopes and accessibility within the program.', 'Explains the definition of tokens in C programming, including the various elements that tokens encompass.', 'Describes the usage and syntax of the const keyword, emphasizing its role in maintaining constant values in C programming.', 'A union is a special data type that holds the element of different data types at the same memory location, optimizing memory usage.', 'Syntax and usage of enumeration in C The chapter introduces the syntax of enumeration in C and its usage for defining a list of constants, providing a clear understanding of enumeration in the context of C programming.', 'Explanation of recursion in C The chapter defines recursion in C as a process where a function calls itself, providing a concise explanation of its usage and its impact on program execution.', 'File operations in C The transcript outlines various file operations in C, such as creating, writing, reading, seeking within, truncating, and deleting files, demonstrating the comprehensive coverage of file handling in C programming.', 'Macro definition and usage in C The transcript explains the syntax and usage of macros in C, emphasizing the replacement of macro names with their values during compilation and providing an example of defining a macro for pi as 3.14.', "Quick Sort algorithm implementation The transcript provides a detailed explanation of the implementation of the Quick Sort algorithm in C, including the variables used, the logic for sorting elements, and a demonstration of the algorithm's successful sorting of elements.", 'The fact function utilizes recursion to calculate the factorial, with the example showcasing the process for the numbers 3 and 5.', 'The program demonstrated to produce the Fibonacci series of 5 as 0, 1, 1, 2, and 3.', 'The process to check whether a given number is prime involves taking input for the number, using a for loop to iterate through the numbers, and applying a condition to determine primality, with examples provided for both prime and non-prime numbers.', 'The chapter discusses how to find the height of a binary tree', 'Write a C code to find the n terms odd natural number and find the sum', 'Adding nodes to a linked list', 'Removing duplicates from a sorted array', 'Reversing a string process explained']}