Home Web Front-end JS Tutorial The concept and importance of bubbling events in programming

The concept and importance of bubbling events in programming

Jan 13, 2024 pm 01:12 PM
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The concept and importance of bubbling events in programming

The concept of bubbling events and their importance in programming

Bubble events are a common sorting algorithm, which was invented by the American computer scientist Oscar ·Proposed by Oscar Boulle in 1960. The basic idea of ​​a bubbling event is to compare and exchange adjacent elements multiple times so that the largest (or smallest) element gradually "bubbles" to the top (or bottom) of the array, thereby completing sorting.

In programming, sorting is a common and important operation. Different sorting algorithms are suitable for different scenarios and requirements, and bubbling events, as one of the simplest sorting algorithms, although its efficiency is low, still has certain advantages in certain specific situations.

First of all, the implementation of bubbling events is very simple, easy to understand and master. In the initial stage of programming, learning bubbling events can help novices understand the basic principles and processes of sorting algorithms. The core idea of ​​the bubbling event is to gradually move the largest (or smallest) element to the correct position through comparison and exchange between adjacent elements until the entire array is ordered. This intuitive implementation helps beginners build their understanding and knowledge of sorting algorithms.

Secondly, the application scenarios of bubbling events are not limited to the sorting of large-scale data. In some specific cases, bubbling events may be more efficient than other sorting algorithms. For example, when the data size is small and nearly partially ordered, the time complexity of the bubbling event can be close to O(n), which has better performance than other sorting algorithms. In addition, bubbling events are also very suitable in scenarios where stable sorting is required (that is, the relative positions of the same elements do not change).

The following uses specific code examples to demonstrate the implementation of bubble events:

def bubble_sort(arr):
    n = len(arr)
    for i in range(n):  # 执行n次冒泡操作
        for j in range(0, n-i-1):
            if arr[j] > arr[j+1]:  # 如果前一个元素大于后一个元素,则交换它们的位置
                arr[j], arr[j+1] = arr[j+1], arr[j]
    return arr

# 测试示例
arr = [64, 34, 25, 12, 22, 11, 90]
sorted_arr = bubble_sort(arr)
print("排序结果:", sorted_arr)
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The above code implements a sorting function for bubble events bubble_sort. Through nested loops, adjacent elements are compared each time, and if the previous element is larger, their positions are swapped. After multiple loops, gradually move the largest element to the end of the array. Finally, an ordered sequence of numbers arranged from small to large is obtained.

In summary, bubbling events, as a simple and intuitive sorting algorithm, are of great significance in programming. It not only helps beginners understand the principles and processes of sorting algorithms, but also has certain advantages in certain specific scenarios. By learning and applying bubbling events, we can better grasp the core ideas of sorting algorithms and provide powerful tools and ideas for solving practical problems.

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