if (arr[j] arr[j + 1]) { // 升序：前面的大于后面的就交换
The best advice I can give to a person starting a business is to stay focused, don’t be discouraged by naysayers and don’t get overwhelmed by the process — you’re bigger than it and you can handle more than you think. Focus on small daily tasks, tackle them consistently, and over time, you’ll realize you’ve built something far bigger than you ever imagined. And that feeling is incredible.
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