Tired of pushing and lifting your vacuum all over the house? Avoiding the cables and never being able to keep on top of the dust? Well, it's time for a robot vacuum. Take manual vacuuming off your to-do list forever and let the robot do the work.
描述：prices[i] 为第 i 件商品价格。第 i 件商品可获得折扣 prices[j]，其中 j 是满足 j i 且 prices[j] <= prices[i] 的最小下标；若无则无折扣。返回每件商品折扣后的最终价格。
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Danny Fullbrook，推荐阅读搜狗输入法2026获取更多信息
That was the gap. confusable-vision is the tool I built to close it: render every confusable pair, measure the pixels, and put a number on what “visually confusable” actually means.，更多细节参见搜狗输入法2026
"Our study adds to a growing body of work suggesting that vaccines may play a role in healthy aging strategies beyond solely preventing acute illness," study author Eileen Crimmins, of the University of Southern California, said.