# Php Programming Code Examples

## Php > E-Mail Code Examples

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C++ Language Using the main() Function -
The "main() function" is called when the c++ program starts after initialization of the non-local objects with static storage duration. It's the primary entry point of any C++ Program

C++ Generating All Subsets of a Given Set -
Program print all the possible combination of each length from the given array in gray code order. The 'time complexity' of this algorithm is 'O(n*(2^n))'. This algorithm takes the input

Frequency of Characters in a C-style String -
In this example, 'frequency of characters' in a String object is computed. To do this, "size()" function is used to find the Length of a string object. Then, the for loop is iterated until the

Copy One String to Another use Recursion -
C Language Program code to copy one string to another using recursion. The Program uses recursive function and copies a string entered by user from one 'Character Array' to another

C Program Flip all Bits of a Binary Number -
Flipping a bit means toggling or inverting the current bit status. If the current bit is set i.e. 1 than invert it to 0 and vice versa. Flip all bits of a binary number you can run loop from 0...

C++ Finding Median of Two Sorted Arrays -
Program find the 'median' of elements where elements are stored in 2 'different arrays'. We need to find 'combined' median of 2 different 'data set'. So it includes sorting of both arrays

Binary Search Tree with Insertion Deletion -
C++ 'Binary Search Tree' insertion & deletion, finding an element, finding min element, max element, left child, right child, "recursive" and "nonrecursive" traversals, finding the number

C++ Program Find the Area of a Triangle -
Enter size of each sides of 'triangle'. To find the area of triangle in which values of three sides are given we can use Heron's formula. To apply "Heron's formula" there should be