Check whether a character is an uppercase or lowercase alphabet. Required fields are marked *. Check whether a string is a palindrome or not. Toggle case of each character of a string. Modify/add only one character and print ‘*’ exactly 20 times. Read file contents and display on the console. Check whether a number is negative, positive or zero. Replace the last occurrence of a character with another in a string. It is a blueprint of objects. Solution in C, C++ & Java | 30 Days of Code, Insertion Sort in C – Pseudocode Code, Explanation, Real Life Examples, Arithmetic Operators in C – [List, Symbol, and Examples], Escape Sequence in C | List of all 15 Escape Characters, Tricky Question for Expert Only | Legendary level, Converting Temperature Celsius into Fahrenheit, The Display Size of the Different Datatype, Read Integer (N) and Print the First Three Powers (N^1, N^2, N^3), The Greatest Number Among the Given Three Number, Uppercase, Lowercase, Special Character, or Digit. Find the length of string using pointers. Find the sum of digits of a given number using recursion. Find all prime numbers between the given interval using functions. Count total number of vowels and consonants in a string. Display all array elements using recursion. Create a file and write contents, save and close the file. How you can print any text without using ; (semicolon) in c? C programming Exercises, Practice, Solution: C is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations. Most frequently Asked C Programming Interview Questions and Answers: C programming language was developed between 1969 and 1973 by Dennis Ritchie at Bell Labs. Input and print array elements using a pointer. Replace the first occurrence of a character with another in a string. Count occurrences of a character in a given string. Write a program in c to print all unique elements in an array. PDF: C Programming Questions and Answers | C Language, Find a Grade of Given Marks Using Switch Case, Day 6 Let’s Review Hackerrank Solution | 30 Days of Code, Day 5 Loops Hackerrank Solution | 30 Days of Code, Day 4 Class vs Instance Hackerrank Solution- 30 Days of Code, Day 3 Intro to Conditional Statements Solution- [Hackerrank], Day 2 Operators Solution | 30 Days of Code [Hackerrank], Day 1 Data Types Solution in C C++ and Java | 30 Days of Code, Day 0 Hello World. Search all occurrences of a word in a given string. Read and print elements of the array. What will be the output if we call main in main? 1) Explain what is a class in C++? Count occurrences of a word in a given string. Count the total number of duplicate elements in an array. Put even and odd elements of an array in two separate arrays. Answer: The main function in c is the one which executes which you run the program but it is not the first function to be executed as there is another start() function which gets executed to compile the libraries. We have 5 levels, Newbie, Easy, Medium, Master, and Legendary. Check whether a number is a palindrome or not using recursion. This is a high-level section for legendary programmers or thinkers, this section can help you to become a pro programmer. Check whether a number is even or odd using switch case. Your email address will not be published. Check whether a character is an alphabet or not. Remove the first occurrence of a character from a string. Count occurrences of a word in a text file. Check whether a number is divisible by 5 and 11 or not. Print all perfect numbers between the given interval using functions. C Language Questions and Answers Abstract This PDF contains 100+ Q&A on C Language to help you remind yourself of basic concepts and definitions. Here is the list of over top 500 C Programming Questions and Answers. Find diameter, circumference and area of a circle using functions. Remove the specific line from a text file. Count characters, words and lines in a text file. The Daily Crossword Puzzle and Grow Your Vocabulary and Improve Your Language Skills. Count frequency of each element in an array. Copy all elements from an array to another array. Return multiple values from a function using pointers. Delete all occurrence of a word in a given string. Read numbers from a file and write even, odd and prime numbers to separate file. When using Call by Value, you … All solutions are in C language. Convert uppercase to the lowercase character and vice versa in a text file. Find factorial of any number using recursion. 2) How can you specify a class in C++? Sum the digits of a given number in a single statement. Input all sides of a triangle and check whether the triangle is valid or not. Insert An Element Desired or Specific Position In An Array, Delete Element From Array At Desired Or Specific Position, Print “I AM IDIOT” Instead Of Your Name Using Array, Check String Is Palindrome Or Not Using For Loop, Convert All Input String Simultaneously Into Asterisk ( * ). Answer: Break is used to control out of the block of code which is executing, we can use in loop statements or switch statements. List all files and sub-directories recursively. Count frequency of each character in a string. Find the sum of each row and column of a matrix. Check whether a year is a leap year or not. May be in technical interviews, coding tests, or in C/C++ classrooms. Find the maximum between the three numbers. Input any character and check whether it is the alphabet, digit or special character. Find a total number of alphabets, digits or special character in a string. C/C++ classrooms interview Questions character with another in a text file Programming language for... 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