The N Queen Problem states that there are N pieces of Queens in a chessboard, and we have to arrange them so that no queen can attack any other queen on the board once organized.
Algorithms are behind most of the impressive things computers can do, and these are at the core of most computing tasks. Being better with algorithms will help you succeed in being a successful programmer, but you will become more efficient. This has been a guide to Types of Algorithms. Here we discuss the Top 6 important types of Algorithms with their functions in detail.
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Types of Algorithms By Priya Pedamkar. Popular Course in this category. Course Price View Course. Written by Indicative Team Share. Programming Algorithm Defined A programming algorithm is a procedure or formula used for solving a problem. Characteristics of an algorithm: Precision — the steps are precisely stated.
Uniqueness — results of each step are uniquely defined and only depend on the input and the result of the preceding steps. Finiteness — the algorithm stops after a finite number of instructions are executed. Input — the algorithm receives input. Output — the algorithm produces output. Sorting is the most heavily studied concept in Computer Science. Idea is to arrange the items of a list in a specific order.
Though every major programming language has built-in sorting libraries, it comes in handy if you know how they work. Depending upon requirement you may want to use any of these. More importantly one should know when and where to use them.
Some examples where you can find direct application of sorting techniques include:. Binary search is used to perform a very efficient search on sorted dataset.
The time complexity is O log 2 N. Idea is to repeatedly divide in half the portion of the list that could contain the item, until we narrow it down to one possible item. Some applications are:. Hash lookup is currently the most widely used technique to find appropriate data by key or ID. We access data by its index. The data structure is referred as Hash-Map or Hash-Table or Dictionary that maps keys to values, efficiently. We can perform value lookups using keys.
Choosing a good hash function depends upon the scenario.
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