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This article is about how to implement bubble sorting in web development. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Bubble sorting (Bubble Sort) is also a simple and intuitive sorting algorithm. It repeatedly visits the sequence to be sorted, compares two elements at a time, and swaps them if they are in the wrong order. The work of visiting the sequence is repeated until there is no need for swapping, that is, the sequence has been sorted. The algorithm gets its name because smaller elements slowly "float" to the top of the sequence by swapping.

Algorithm step

Compare adjacent elements. If the first is bigger than the second, exchange the two of them.

Do the same for each pair of adjacent elements, from the first pair to the last pair. After this step is done, the last element will be the maximum number.

Repeat the above steps for all elements except the last one.

Continue to repeat the above steps for fewer and fewer elements each time until there are no pairs of numbers to compare.

Algorithm demonstration

Process interpretation of sorting animation

Put the balance at the right end of the sequence and compare the numbers around the balance

In this case, we compare 3 and 8.

After comparison, if the number on the right is smaller, it is swapped.

Because 8 is greater than 3, there is no need to exchange numbers.

After the comparison is complete, move the balance one position to the left and compare the numbers

Because 3 is greater than 2, there is no need to exchange numbers.

After the comparison is complete, move the balance one by one and compare the numbers.

Now 2 is less than 4, so the left and right numbers are exchanged with each other.

Repeat the same operation until the balance moves to the left

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The balance reaches the left end.

After the above operation, the smallest number in the sequence has been moved to the left end.

Return the balance to the right

Repeat the same operation until all the numbers are sorted

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After vomiting bubbles.

Reference code C++

Java

Python

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