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Bubble Sort is a comparison based simple sorting algorithm that works by comparing the adjacent elements and swapping them if the elements are not in the correct order. It is an in-place and stable sorting algorithm that can sort items in data structures such as arrays and linked lists.
The bubble sort algorithm compares two adjacent elements and swaps them if they are not in the intended order. In this tutorial, we will learn about the working of the bubble sort algorithm along with its implementations in Python, Java and C/C++.
Bubble sort is a comparison-based sorting algorithm, which means that it requires a comparison operator to determine the relative order of elements in the input data set. It can limit the efficiency of the algorithm in certain cases.
Bubble sort is a simple and intuitive sorting algorithm. It repeatedly swaps adjacent elements if they are in the wrong order until the array is sorted. In this algorithm, the largest element "bubbles up" to the end of the array in each iteration.
You can simulate Bubble Sort below, where the red and dashed line is the theoretical time complexity \(O(n^2)\). You can choose a number of values \(n\), and run an actual Bubble Sort implementation where the operations are counted and the count is marked as a blue cross in the plot below.
Bubble Sort in C is a sorting algorithm where we repeatedly iterate through the array and swap adjacent elements that are unordered. We repeat this until the array is sorted. Sorting of data is one of the most fundamental problems in computer science.
Bubble Sort in C is a simple sorting algorithm that works by repeatedly stepping through the list to be sorted, comparing each pair of adjacent items, and swapping them if they are in the wrong order. Bubble sort technique is used to sort an array of values in increasing or decreasing order.
Bubble sort gets its name because it filters out the elements at the top of the array like bubbles on water. It is the slowest algorithm and it runs with a time complexity of O(n^2). Bubble sort can be optimized by using a flag variable that exits the loop once swapping is done.
In this C program, we will use pointers alongside user-defined functions i.e., Bubble_sort to implement the Bubble sort algorithm. We will pass an array as a pointer to the first element of the array itself in the Bubble_sort function.
However, Bubble Sort can viewed as a close relative of Selection Sort. Like Insertion Sort, Bubble Sort consists of a simple double for loop. The inner for loop moves through the record array from left to right, comparing adjacent keys. If a record’s key value is greater than the key of its right neighbor, then the two records are swapped.