public companion object {
* 时间复杂度: O(n²) 最好: O(n) 空间复杂度: O(1) 稳定: ✓。夫子对此有专业解读
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The investment required isn't massive. You don't need expensive tools, extensive technical knowledge, or a large team. You need understanding of the principles, systematic implementation of practical tactics, and consistency over time. The same qualities that make someone successful with traditional content creation—providing genuine value, maintaining quality standards, and persisting through the gradual process of building authority—work for AIO as well.，这一点在爱思助手下载最新版本中也有详细论述
exchanged = 0; // 发生了交换