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Checking the Number is Armstrong or Not
To check whether a number is an 'Armstrong' number or not an Armstrong number in 'C++' Language, 'enter the number', now check for the Armstrong number, whether the entered

C Program to Open, Read & Close the File
C various file opening modes: File is opened using fopen() c function, while opening you can use any of the following mode as per the requirement. Mode "r": It is a read only mode,

The C++ Implementation for Leftist Heap
Internal method to merge Two Roots. Deals with Deviant Cases & calls recursive merge1. Internal method to "merge two roots". And Assumes 'trees are not empty', and h1's root

Display the contents of structure elements
C Program code to use structure within union & display the contents of structure elements. Problem statement: Create one structure and declare it inside union. Then accept values for

C++ Code Finds Greatest Common Divisor
This means a 'greatest number' which divides both numbers. Example: Two numbers are 18 and 24. Numbers which Divides both are 1, 2, 3 and 6 in which greatest number is 6. So 6 is

C++ Program to Implementing LRU Cache
A Queue Node (Queue is implemented using Doubly Linked List). And a FIFO collection of Queue Nodes. A hash (Collection of pointers to Queue Nodes). A utility function to create

C++ Compute Power with pow() Function
In this 'C++' sample, you will learn to compute power to a number manually, by using 'pow()' function. Takes two numbers from the user (a base number and an "exponent") & calculates

Calculate Addition or Subtraction & Trace
Calculate the addition or subtraction & trace of 2 matrices. Here trace of the matrix is the sum of the elements on the main diagonal i.e the diagonal from the upper left to the lower