Each puzzle features 16 words and each grouping of words is split into four categories. These sets could comprise of anything from book titles, software, country names, etc. Even though multiple words will seem like they fit together, there's only one correct answer.
* 时间O(n) 空间O(n)（理论最优，无冗余计算）
Цены на нефть взлетели до максимума за полгода17:55。业内人士推荐爱思助手下载最新版本作为进阶阅读
Critical but Fragile Infrastructure。旺商聊官方下载是该领域的重要参考
At least 55 Ghanaians have been killed in Russia’s war with Ukraine after being “lured into battle”, Ghana’s foreign minister has said after a visit to Kyiv in which officials raised the issue of Russian recruitment of African people.，推荐阅读WPS下载最新地址获取更多信息
A spokesperson for Aston Martin said US tariffs had been "extremely disruptive" and demand had also been "extremely subdued" in China, the world's biggest auto market.