Stirling Council
- 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.
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Юлия Мискевич (Ночной линейный редактор)
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12月19日，北京口腔医院新建主院区，患者在院内接受治疗。本版图片/北京口腔医院供图