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:
The Netherlands' quiet embrace of the four‑day working week has captured international attention. Dutch employees work an average of 32.1 hours per week, the lowest in the EU, and well below the bloc's average of 36 hours.
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要理解近期 SaaS 股票的大幅波动，首先需要了解 SaaS 的商业模式。。搜狗输入法2026对此有专业解读
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