Algorithms give us the most ideal option of accomplishing a task
An algorithm is a set of step-by-step procedures, or a set of rules to follow, for completing a specific task or solving a particular problem. Algorithms are all around us. The recipe for baking a cake, the method we use to solve a long division problem, and the process of doing laundry are all examples of an algorithm,
Algorithmic programming is all about writing a set of rules that instruct the computer how to perform a task. A computer program is essentially an algorithm that tells the computer what specific steps to execute, in what specific order, in order to carry out a specific task. Algorithms are written using particular syntax, depending on the programming language being used. For example, in Python, an algorithm might look like this:
max = lst
for i in range(1, len(lst)):
if lst[i] > max:
max = lst[i]
Algorithms can be classified according to the principles they use to complete a task. Though there are many different types of algorithms, the most basic kinds of algorithms used in computer science are:
Divide and conquer algorithms – These algorithms divide the problem into smaller subproblems of the same type. The smaller problems are solved, and then the solutions are combined to solve the original problem.
Brute force algorithms – These algorithms try all possible solutions until a satisfactory solution is found.
There are a few different types of algorithms that can be used to solve problems:
Randomized algorithms use a random number at least once during the computation in order to find a solution.
Greedy algorithms work by finding an optimal solution at the local level, with the aim of finding an optimal solution for the entire problem.
Recursive algorithms work by solving the lowest and simplest version of a problem first, and then solving increasingly larger versions of the problem until the solution to the original problem is found.
Backtracking algorithms involve dividing a problem into smaller subproblems and then attempting to solve each one. If the desired solution is not reached, the algorithm will move backwards in the problem until it finds a path that moves it forward.
Dynamic programming algorithms involve breaking a complex problem down into simpler subproblems and then solving each one only once. The solutions to these subproblems are then stored for future use instead of being re-computed every time they are needed. This can save a lot of time and effort when solving similar problems in the future.
It is important to understand algorithms because algorithmic thinking, or the ability to define clear steps to solve a problem, is crucial in many different fields. Even if we’re not conscious of it, we use algorithms and algorithmic thinking all the time. Algorithmic thinking allows students to break down problems and conceptualize solutions in terms of discrete steps. Being able to understand and implement an algorithm requires students to practice structured thinking and reasoning abilities.