- 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.
I hate DRM, I love FOSS, I love the very idea that the internet should be open and accessible.
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两国领导人就乌克兰危机交换意见。习近平阐述中方原则立场，指出关键是坚持通过对话谈判寻求解决方案。要确保各方平等参与，筑牢和平基础；确保照顾各方合理关切，增强和平意愿；确保实现共同安全，构建持久和平架构。
Intriguing finds could solve mystery of women in medieval cemetery