40. implement Bubble Sort

JavaScriptAlgorithm
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easy  - accepted / - tried

Even for Front-End Engineer, it is a must to understand how basic sorting algorithms work.

Now you are asked to implement Bubble Sort, which sorts an integer array in ascending order.

Do it in-place, no need to return anything.

Follow-up

What is time cost for average / worst case ? Is it stable?

Let's try to solve this problem within 10 minutes.

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