![]() ![]() This element is left in the next iteration of the loop. This is because each time we iterate over the list, an element gets sorted. Notice we had 4 elements with us, and we got the sorted list in 3 passes. In bubble sort, to sort a list of size n, we need to perform n – 1 iterations. The steps to sort this list would involve –įrom the above-given diagram, we can infer the following conclusions about the bubble sort algorithm – To better understand bubble sort, recall the list that contains the elements 5, 3, 4, 2 initially. Repeat steps 1 – 3 until we get the sorted list.If the current element is greater than the next element, then swap both the elements.Compare the current element with the next element.How does bubble sort work?Ĭonsider that we want to sort a list in ascending order, here are the steps that the algorithm would follow: It is generally used for educational purposes or to determine if the sorted given list is already sorted or not. Since it compares all the elements one by one, bubble sort is a slow algorithm and performs inefficiently in real-world scenarios. Bubble compares all the elements in a list successively and sorts them based on their values. In bubble sort, the repetition continues till the list we get the sorted list. Furthermore, 5 and 3 are in order if we want to sort the list in descending order. Here, 5 and 3 are out-of-order if we want to arrange the list in ascending order. Recall the list which had elements 5, 3, 4, 2 in it. Two elements are said to be out-of-order if they do not follow the desired order. It works on the idea of repeatedly comparing the adjacent elements, from left to right, and swapping them if they are out-of-order. What is Bubble Sort?īubble sort, also known as sinking sort, is the easiest sorting algorithm. So let us now gear ourselves up to dive deeper and understand what bubble sort is. And, in this article, we will discuss Bubble sort in the following order – There are multiple algorithms that can be used for sorting.
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