if (arr[j] arr[j + 1]) { // 升序：前面的大于后面的就交换
* 时间复杂度：O(n log n)（主要来自排序），空间复杂度：O(n)
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Time-travel debugging might sound like a complex feature reserved for heavy-duty enterprise tools, but it fundamentally comes down to architectural design; it takes less than 100 lines of code to implement, and that figure includes our Effect System.
3月12-15日，上海新国际博览中心，AWE2026见！