# C++ Programming Code Examples

## C++ > Conversions Code Examples

### Convert Hexadecimal to Decimal

C Programming Language Mode Program -
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

Find Reverse of String by strrev() Function -
C program code find Reverse of a given string using Loop. There are numerous ways to find reverse of a string. Input the string from user, store it in a variable say "str". Declare another

C Swap two numbers using XOR Operator -
C programming code to swap two numbers using XOR operator. Generally swaping two number requires three variables. Let's take look at procedure of swaping two numbers.

C Programs Binary Octal Hex Conversions -
C programming code example for Number Conversions: Binary to decimal, decimal to binary, decimal to octal, decimal to hex, octal to decimal, octal to binary, binary to octal,

C Read and Write Strings gets() and puts() -
String is an 'Array of characters'. In this guide, we learn how to declare strings, how to work with strings in C language and how to use the 'pre-defined' string handling functions. String

Search Sorted Sequence Divide & Conquer -
Using Fibonacci numbers we calculate mid of data array to search the data item. 'Calculate' the mid of the array. Divide the array into two subarray. 'Compare the item' by mid element

Implement Hash Tables Quadratic Probing -
Returns whether n is "prime" or not. Find next prime size of the table. Function To Generate Hash. Function to Initialize Table. Function to "Find Element" at a key. Insert Element into a

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