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Graph Terminologies

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In the previous lesson, you learned about graph models. In this article, you will learn about basic graph terminologies. There are some important terminologies that you will come across frequently, it is important to learn them first. Definition 1: Two vertices u and v are adjacent or neighbor in graph G if u and v … Read more

Graphs and Graph Models

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Graph Theory is a very important concept in mathematics and computer science. A lot of algorithms are based on graphs. The graph is a non-linear data structure, though it look like a tree, it is not the same. A graph is made of nodes and edges. We are now ready to define graphs.

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Algorithms Order Of Growth

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The Big O notation, the theta notation and the omega notation are asymptotic notations to measure the order of growth of algorithms when the magnitude of inputs increases. In the previous article – performance analysis – you learned that algorithm executes in steps and each step takes a “constant time“. You can count the number … Read more

Algorithms Complexities

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Performance analysis of an algorithm is done to understand how efficient that algorithm is compared to another algorithm that solves the same computational problem. Choosing efficient algorithms means computer programmers can write better and efficient programs. A computer resource is memory and CPU time and performance analysis revolves around these two resources. Two ways to … Read more

Algorithms Pseudo Code

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In this article, you will learn how to represent an algorithm using a pseudo code and elements of pseudo codes. Learning a programming language is not necessary to understand pseudo code, but knowing a programming language like C, Pascal, etc. help you understand the pseudo codes better. Algorithms Components The algorithm has two part – … Read more

C++ Program to Compute Net Present Value (NPV)

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Previous Next This is a simple C++ program to compute Net Present Value ( NPV ) for a imaginary project. The NPV is computed to analyses an investment taking into account its discounted cash inflows for a specific period of time. The program is intended for both beginners and intermediate learners of C++ programming.  Dev-C++ … Read more

C Program to Find Max and Min Using Pointers

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Previous Next The program receives an array of numbers as input and finds the minimum number and a maximum number using pointers. This program is intended for intermediate level learners familiar with the concept of pointers. If you are not familiar with pointer concepts, visit the link below to learn about pointers with an example. … Read more

C Program To Write A String Copy Function

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This program copy text from one string to another string character-by-character with the help of string copy function. C programming language does have a builtin string copy function called strcpy() located in String.h header file. In this example, you will write a program that uses a user-defined string copy function and does not use the … Read more

C Program To Compute Nth Factorial Using Recursion

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The program to compute factorial calls a function recursively to compute the output.The recursion is the ability of a computing procedure to call itself repeatedly until the problem is solved. We compiled the program using Dev C++ version 5 (beta) compiler installed on Windows 7 64-bit system. You can use any standard C compiler, but … Read more

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