Brute force có phải là thuật toán heuristic năm 2024
When you need to solve a problem with code, you often have to choose between different types of algorithms. Two common categories are brute force and heuristic algorithms. But what are the differences between them, and how do you decide which one to use? In this article, you will learn about the advantages and disadvantages of both approaches, and some examples of problems that can be solved with them. Show Top experts in this article Selected by the community from 11 contributions. Learn more
Examples of brute force algorithmsBrute force algorithms are commonly used in many situations. For example, linear search is used to find an element in a list by checking every element one by one until it is found or the end of the list is reached. Selection sort is used to sort a list by finding the smallest element and swapping it with the first element, then repeating this process with the remaining elements until the list is sorted. Permutation generation relies on swapping each element with every other element and recursively generating the permutations of the rest of the elements to generate all possible permutations of a set of elements.
Examples of heuristic algorithmsHeuristic algorithms are a type of problem-solving technique that relies on an educated guess to find a solution. Binary search is an example of a heuristic algorithm, which is used to locate an element in a sorted list by comparing it with the middle element and eliminating half of the list depending on its size. Quick sort is another example, which sorts a list by choosing a pivot element and partitioning it into two sublists based on the elements’ size. Lastly, A* search is a heuristic algorithm used to find the shortest path between two nodes in a graph. It works by using a priority queue to store the nodes based on their distance from the start node and an estimate of their distance from the end node, then exploring each node's neighbors until the end node is reached or the queue is empty.
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