Жители Санкт-Петербурга устроили «крысогон»17:52
Nevertheless, by 1905, a report on the seaweed industries in Japan noted the “very important use [of pure-grade agar] as a culture medium in bacteriological work.” It’s safe to say that, around the turn of the 20th century, agar had moved from an inconspicuous kitchen jelly to an indispensable scientific substance.
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之后就是一些特殊穿戴的锻炼了，比如帽子、手套、围脖、口罩这些。
3. 步长逐渐减小，最后步长为1时就是普通插入排序