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C Programming Code Examples

C > Mathematics Code Examples

C Program to Find Area of Trapezium

/* C Program to Find Area of Trapezium This C Program calculates the area of trapezium. The formula used in this program are Area = (1/2) * (x + y) * h where x and y are the 2 bases of trapezium & h is the height. */ #include <stdio.h> int main() { float x, y, h; float area; printf("Enter the value for two bases & height of the trapezium: \n"); scanf("%f%f%f", &x, &y, &h); area = 0.5 * (x + y) * h ; printf("Area of the trapezium is: %.3f", area); return 0; }

Read formatted data from stdin. Reads data from stdin and stores them according to the parameter format into the locations pointed by the additional arguments. The additional arguments should point to already allocated objects of the type specified by their corresponding format specifier within the format string. In C programming, scanf() is one of the commonly used function to take input from the user. The scanf() function reads formatted input from the standard input such as keyboards. The scanf() function enables the programmer to accept formatted inputs to the application or production code. Moreover, by using this function, the users can provide dynamic input values to the application.

Writes the C string pointed by format to the standard output (stdout). If format includes format specifiers (subsequences beginning with %), the additional arguments following format are formatted and inserted in the resulting string replacing their respective specifiers. printf format string refers to a control parameter used by a class of functions in the input/output libraries of C programming language. The string is written in a simple template language: characters are usually copied literally into the function's output, but format specifiers, which start with a % character, indicate the location and method to translate a piece of data (such as a number) to characters. "printf" is the name of one of the main C output functions, and stands for "print formatted". printf format strings are complementary to scanf format strings, which provide formatted input (parsing). In both cases these provide simple functionality and fixed format compared to more sophisticated and flexible template engines or parsers,

#include is a way of including a standard or user-defined file in the program and is mostly written at the beginning of any C/C++ program. This directive is read by the preprocessor and orders it to insert the content of a user-defined or system header file into the following program. These files are mainly imported from an outside source into the current program. The process of importing such files that might be system-defined or user-defined is known as File Inclusion. This type of preprocessor directive tells the compiler to include a file in the source code program. Here are the two types of file that can be included using #include:

In C, the "main" function is treated the same as every function, it has a return type (and in some cases accepts inputs via parameters). The only difference is that the main function is "called" by the operating system when the user runs the program. Thus the main function is always the first code executed when a program starts. main() function is a user defined, body of the function is defined by the programmer or we can say main() is programmer/user implemented function, whose prototype is predefined in the compiler. Hence we can say that main() in c programming is user defined as well as predefined because it's prototype is predefined. main() is a system (compiler) declared function whose defined by the user, which is invoked automatically by the operating system when program is being executed.

Arithmetic Operator is used to performing mathematical operations such as addition, subtraction, multiplication, division, modulus, etc., on the given operands. For example: 6 + 3 = 9, 5 - 3 = 2, 3 * 4 = 12, etc. are the examples of arithmetic operators. Let's discuss the different types of Arithmetic Operators in the C programming. Plus Operator is a simple Plus (+) Operator used to add two given operands. We can use Plus Operator with different data types such as integer, float, long, double, enumerated and string type data to add the given operand. The minus operator is denoted by the minus (-) symbol. It is used to return the subtraction of the first number from the second number. The data type of the given number can be different types, such as int, float, double, long double, etc., in the programing language.

Program code to read elements in array and copy all elements of first array into second array. C program to copy elements of array. Input size and elements in array, store it in



Create a structure. The name of the structure is StudentData. The Student is the variable of structure StudentData. Assigning the values of each struct member here. Displaying the...

Declare recursive function to find factorial of a number. First let us give a meaningful name to our function, say fact(). Factorial Function accepts an integer input whose factorial is to



Program code print Armstrong Number from 1 to 1000. An Armstrong number is an n-digit base b number such that the sum of its (base b) Digits Raised to the Power n is the number

C In Statistics Maths, a mode is a value that occurs the highest numbers of time. Example assume a set of values 8, 5, 4, 7, 8. mode of this value set is 8 as it appears more than any