# C++ Programming Code Examples

## C++ > Mathematics Code Examples

### Find The Perfect Number In C++

C++ Computes Discrete Fourier Transform -
This is a C++ Program to perform Fast Fourier Transform. A 'Fast Fourier transform' (FFT) is an algorithm to compute the discrete Fourier transform (DFT) & its inverse. Fourier analysis

Writing Comment in C program examples -
Commenting in C programming language. This is a using single line comment example. This is a using mult-line comment. Slash that's not a commment, divide operator...

C++ Code Convert Hexadecimal to Binary -
To convert "Hexadecimal" number to "binary" number in C++, you have to ask to the user to enter the hexadecimal number to convert it into binary number to display the equivalent

Every Possible Combination of two Strings -
Program display 'every possible combination' of two words from the given 2 string without displaying "repeated combinations". Convert string in 2D array. Make the first string words

Program Implement the Vizing's Theorem -
The chromatic index of the simple graph can be either 'maxDegree' or maxDegree+1. The chromatic index is the maximum number of color needed for the 'edge coloring' of graph.

C Display Fibonacci Series Using Recursion -
Program code display 'Fibonacci series' using recursion. Using "fibonacci_series()" that calls itself recursively, in order to display series for the entered number of terms. Program enter

Count the Occurrence of each C Keywords -
C Program 'counts the occurrences' of each C keyword by array structure. "C keywords" are the words which have a definition and cannot be used as an identifier. Continue, double, for

C Language Codes Find Length of a String -
How to find 'Length of a string' without using in-built library function strlen() in C language. Effective way to find length of string without using strlen() function. In the C every string is