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C Programming Code Examples

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C Programming Sample Reading the Files
To read the file in C Language, we must open it first using any of the mode, for example if you only want to read the file then open it in "r" mode. Based on the mode selected during

C Insert an Element in a Specified Position
C Program inserts an element in a specified position in a given array. C Programming language code takes a user input and inserts the desired element in the specified position.

C Language Coding Print Alphabets a to z
Internally C represent every character using ASCII character code. ASCII is a fixed integer value for each global printable, non-printable characters. For example ASCII value of a=97,

Performs LU Decomposition of any Matrix
C++ Program perform LU Decomposition of a matrix. LU decomposition factors a matrix as the product of a Lower Triangular Matrix and an upper 'triangular matrix'. Code sometimes

C Find Sum of Natural numbers in a range
Give a meaningful name to the function, say sumOfNaturalNumbers(). The function must accept two inputs i.e. the lower & upper limit to find sum. Pass two integer parameters to

C++ Samples for Constructor Overloading
"Constructor" is automatically called when an object create. It is "special member function" of the class. Variable declaration, constructor without argument, and which constructor has

C realloc() Allocates size bytes of Memory
If ptr is null, realloc() allocates size bytes of memory and returns a pointer. If size is zero, the memory pointed to by ptr is freed. There is an error give message: Allocation Error...

C++ Program to Implement Interval Tree
In computer science, An "Interval Tree" is an ordered tree data structure to hold intervals. Specifically, it allow one to efficiently find all intervals that overlap with any given interval