# C++ Programming Code Examples

## C++ > Pointers Code Examples

### Increment and Decrement Integer Using Pointer in C++

C Program Find Square Root of a Number -
C input a number and find square root of the given number. How to find square root of a number in C programming using inbuilt sqrt() function. Using predefined sqrt() function to

C Performing Comb Sort Array of Integers -
C Program to performs Comb sort on array of integers. "Comb Sort" is a comparison sorting algorithm. This sort is 'Exchange sort', similar to 'Bubble Sort'. Function to find the new gap

Calculate Sum and Difference of Matrices -
C Program calculates the sum & difference of the matrices. Code first reads 2 matrices and then performs both addition and subtraction of matrices. Sum of elements of matrix A and

Cryptography by Transposition Technique -
This "C++" Program implement transposition technique. In "Cryptography", a transposition cipher is a method of encryption by which the positions held by units of plaintext (which are

Code Generates All Possible Combinations -
Algorithm print all the 'possible combination' of each length from the given array. The time complexity of this algorithm is 'O(n*(2^n))'. A function to print all 'Combination of a Length'

Construct an Expression Tree For a Given -
Program, using recursion, evaluates a Prefix Expression in an "Expression Tree". A binary expression tree is a specific application of a 'binary tree' to evaluate certain expressions.

C Language Convert Floating Point Values -
C Language program function to convert one or more floating-point values to a string with the values separated by commas. C Function allocates memory that must be freed by the

Returning a Reference to a Pointer In C++ -
To declare such a function, precede its name with * and &. In the body of the function, you can do whatever is appropriate. An important rule with this type of "function" is that it must