# C++ Programming Code Examples

## C++ > Computer Graphics Code Examples

### Check if a Point d lies Inside or Outside a Circle Defined by Points a, b, c in a Plane

Swapping Two Numbers Without Variable -
Imagine we have two number 1 and 2 stored in x and j respectively now. If we add x and j (1 + 2) and store it to x then x will become 3 and j is still 2. We subtract j (2) from new value of

Find First Capital Letter in a String without -
Program using iteration, finds the first capital letter that exists in a string. We have included ctype.h in order to make use of int "isupper()" C Function that's Defined inside the "ctype.h"

C++ program to find LCM of two numbers -
To find the LCM of 2 or more numbers, make "Multiple of Numbers" and Choose Common multiple. Then take lowest common multiple, lowest common multiple is 'LCM' of numbers.

C++ Program Codes Print Prime Numbers -
For example, to print prime number between '3 to 29', here 3 is the starting number and 29 is the ending number, enter the starting and ending number to find and print all the prime

C Search Occurrence of Character in String -
Searching whether character is present in the string or not. Accept the String from the user. Accept the character to be searched. String is stored as array of character, "scan each array"

C Program code Find 2 Elements in Array -
Code find 2 Elements in the Array such that Difference between them is Largest. This C Program checks 2 elements in the array such that difference between them is largest and

Perimeter of a Circle Rectangle & Triangle -
This C Program calculates the perimeter of a circle, rectangle and triangle. This program is used to find the perimeter of circle, rectangle and triangle. Perimeter of rectangle: 2 *(x+y)

C++ Program for Create Virtual Functions -
'Virtual Function' is a special form of member function that is 'declared within a base class' and 'redefined' by a derived class. "virtual" is used to create a virtual function, precede the