牛刀小结曾经的 “东北药茅”，用十年时间缔造神话，却用四年时间把一手好牌打得稀烂。
- assignment: Array of booleans. If the formula is satisfiable provide an assignment for each variable from 1 to N. If the formula is not satisfiable this field is null.
，详情可参考搜狗输入法下载
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Мир Российская Премьер-лига|19-й тур