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Before a programme can do what the developer wants it to do, it needs to be told how to do it. This is done by writing instructions that tell the computer, step by step, what to do and how to do it. These instructions are called algorithms. Filio Force Canada will tell you more about this.
What are algorithms?
Algorithms are the basis of all development. They appeared and were used long before the first computers and programs. The ability to use algorithms is an essential skill for any programmer. It’s a skill that helps you learn any programming language in literally a few weeks, because an algorithm doesn’t care what language you use to describe it. An algorithm can be written in ordinary natural language, for example, as a list of instructions, or it can be represented as a flowchart or pseudocode. Different programming languages just help developers to design the algorithm in a way that is easy for a computer to understand.
How to write an algorithm
The ability to identify and write an algorithm distinguishes a good programmer from an ordinary one. This skill is easy to develop, explain the managers of the company Filio Force. There are some simple rules to follow when writing an algorithm:
- There must be at least one input parameter. If you don’t give the algorithm data to work with, it’s not clear what result is expected in the end;
- there must be at least one output parameter. If we don’t get anything in the output, why do we need the algorithm in the first place?
- we should avoid overloading or complicating the algorithm: the simpler the statement, the easier it is to execute;
- the algorithm should be easy to extend without changing the underlying logic;
- the algorithm should terminate after a finite number of steps;
- eliminate places that would allow infinite loops.
What is the efficiency of an algorithm?
The algorithm developed must first and foremost be efficient. The efficiency of an algorithm is measured in terms of execution time and resources used. An algorithm is considered efficient if it takes the least amount of time to run and uses the least amount of resources. A balance is important here: an optimal compromise between time and use of computer resources.The algorithm developed must first and foremost be efficient. The efficiency of an algorithm is measured in terms of execution time and resources used. An algorithm is considered efficient if it takes the least amount of time to run and uses the least amount of resources. A balance is important here: an optimal compromise between time and use of computer resources.
How to learn to see algorithms
In order to understand the subject, you need to study it deeply. There is no easy and quick way to learn algorithms. You should start with the basics. Learn how the simplest algorithms work. It will also be useful to learn and understand Euclid’s algorithm for finding the greatest common divisor, Fibonacci numbers and binary search. Visualising the algorithms helps learning and understanding, and if you add example data to the visualisation, understanding will not be difficult.
Knowledge and understanding of algorithms is what takes the quality of code to the next level, say Filio Force developers. There is no point in memorising and learning a particular algorithm. It is important to understand its essence and be able to apply it. A programmer must be able to think in algorithms, to break down a process into algorithms, and this can only be achieved through practice and improvement.
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