# C++ Programming Code Examples

## C++ > Arrays and Matrices Code Examples

### Program to Compute Combinations using Matrix Multiplication

Copy one String into Other without library -
Scan a string from "left to right", character by character. In each iteration "copy a character" to a new String variable. As soon as source or original string ends, the process of the coping

C++ Program Sample Implements Vector -
'Insert element' into the vector. Deleting last element of the vector. Size of the vector and Display by index. "Dislplay by iterator". Clear the vector. Enter value to be inserted. Display

C Codes Surface Area & Volume of a Cube -
The formula used to find the surface area and volume of the cube is surface_area = 6 * (a*a) and volume = a*a*a. Library Function is used in header file to compute Math Functions. We

Program Create the Prufer Code for a Tree -
The Time complexity to generate this code is 'O(v*e)'. This algorithm takes the input of the number of vertexes for the tree. Then it takes the input if "Vertex Pairs" which have an edge

C Language Find Frequency of Characters -
In C Coding, the string entered by the user is stored in variable str. Then, the user is asked to enter the character whose frequency is to be found. This is stored in variable ch. Now,

Get Sum of Even Odd Numbers in a Range -
C Code declare recursive function to find sum of even number. Lets give a meaningful name to our function, say "sumOfEvenOdd()". Next the function accepts two integer values from

Finds Factorial of Number using Recursion -
This c program prompts user for entering any integer, finds the Factorial of input number & displays the output on screen. Use a recursive user defined function to perform the task. We

C++ Codes Prints One Dimensional Arrays -
You have to ask to the user to enter array size array elements to store all the array elements in one dimensional and then print the array in "one dimension" using one for loop as shown