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C Programming Code Examples

C > File Operations Code Examples

C Program to Find the Number of Lines in a Text File

C Find Volume and Surface Area of Sphere - C Program calculates the volume and surface area of sphere. The formula used in this code Surface_area = 4 * Pi * r2, Volume = 4/3 * Pi * r3 where r is the radius of the sphere, Pi= 22/7

C Program Code Nested If..Else Statement - When an if else statement is present inside the body of another "if" or "else" then this is called nested if else. C Else and else..if are optional statements, a program having only

C++ Codings Sample Heap Sort Algorithm - The 'Heapsort' is a comparison-based sorting algorithm. 'Heapsort' can be thought of as an improved 'Selection Sort': like that algorithm, it divides its input into a sorted & an unsorted

C Add two numbers and display their sum - C program code input two numbers from user and calculate their sum. C program to add 2 numbers and printing their sum as output. How to add two numbers in C programming.

C Code Find Reverse of String by Pointers - Input a 'string from user', store it in a variable say str. 'Declare another Array' that will store 'reverse of the string', say char reverse[SIZE]. Find Length of the string and store it in some

C++ Code Deletes Elements from an Array - To "delete element" from an array in C++, you have to first ask to the user to enter the array size then ask to enter the array element, ask to enter the element which is "to be deleted".

Calculate Area and Perimeter of Rectangle - To calculate "area and perimeter" of a square and rectangle in C++ Programming, you have to ask to the user to enter length and breadth of the rectangle and side length of the square

C++ Language Open and Read File Source - C++ program opens a file named filename.txt to read the content present inside this file, if there is an error in opening a file then puts a message on the screen for the "error", and if