swap(&arr[i], &arr[largest]);
His thesis at the Navy Academy was in the unheard-of topic of liquid-fuel engines. After graduation, he hoped to specialise in this pioneering new technology.
，这一点在搜狗输入法2026中也有详细论述
* - this.stack：单调递减栈，存储「价格对应的索引」，栈顶→栈底索引对应的价格单调递减
The downsizing follows a week of business updates for eBay. On the same day it shared its latest financial results, the company announced that it would acquire Depop, a consumer-to-consumer secondhand fashion retailer, from Etsy. The Depop purchase carried a $1.2 billion price tag, which could put at least a small dent in the $11.1 billion it reported in 2025 full-year revenue.