 # C++ Programming Code Examples

## C++ > Mathematics Code Examples

### Program to print all possible permutations of first n natural nos

C Code Perform all Arithmetic Operations - C program input two numbers and perform all arithmetic operations. How to perform all arithmetic operation between two numbers in C programming. C program to find sum,...

C Checking Armstrong Number of n digits - Check Armstrong Number of n digits. In case of an Armstrong number of 3 digits, the sum of cubes of each digits is equal to the number itself. Example 407 = 4*4*4 + 0*0*0 + 7*7*7

Sort Rows of the Matrix Ascending Order - Program code sorts the rows of the matrix in ascending & columns in descending order. This program accepts matrix. Then sorts the row in an ascending order & the columns in

C Language Program Calculate Percentage - Percent means per cent (hundreds), a ratio of the parts out of 100. The symbol of percent is %. We count 'Percentage of Marks Obtained', return on investment and Percentage can go

Convert Octal to Decimal Number System - Program to input Octal number and convert to Decimal number. Octal number system is a base 8 number system. Octal number system uses 8 symbols to represent all its numbers...

Code print the address of array elements - For loop to print value and address of each element of array. Just to demonstrate that the array elements are stored in contiguous locations, I am displaying the addresses in...

C++ Codings Quick Sort & Randomization - Quick sort is based on an 'algorithmic' design pattern called 'divide-conquer'. Unlike Merge Sort it does not require 'extra memory space'. The average time complexity is "O(n*log(n))"

Nested Namespace in C++ Programming - In C++ programming, you can create nested 'namespaces'. One namespace can be a part of another namespace. Simply we can create namespace X, which will contain namespace