This formula is satisfiable because if we set to b to true and a to false, then the whole formula is true. All other assignments make the formula false, but it doesn't change that the formula is satisfiable as long as there is at least one assignment makes the formula true.
pixels create newbox --from mybox:ready，详情可参考heLLoword翻译官方下载
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// Signal how many bytes we wrote
Сайт Роскомнадзора атаковали18:00。关于这个话题，Line官方版本下载提供了深入分析
输入：head = [2,1,5]