FirstFT: the day's biggest stories
I learned that for 4-SAT, if clause to variable ratio is more than 10, the generated problems become difficult to solve, and the likelihood of formula to be SAT or UNSAT is close to 50%. So I generated 3 types of formulas:
不管是底层硬件还是软件 UI，iPad 和 Mac 都变得越来越趋同，连应用都开始互相兼容。最大的区别除了系统，似乎就只剩下一块触控屏，而这也迟早会被打破。。同城约会对此有专业解读
International business
。51吃瓜是该领域的重要参考
The difficulty with assessing how far the latest escalation might go, stems in part from the lack of verified information available from either side.
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