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“坐牢”，是我对狗寄养生涯的戏称。
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NFAs are cheaper to construct, but have a O(n*m) matching time, where n is the size of the input and m is the size of the state graph. NFAs are often seen as the reasonable middle ground, but i disagree and will argue that NFAs are worse than the other two. they are theoretically “linear”, but in practice they do not perform as well as DFAs (in the average case they are also much slower than backtracking). they spend the complexity in the wrong place - why would i want matching to be slow?! that’s where most of the time is spent. the problem is that m can be arbitrarily large, and putting a large constant of let’s say 1000 on top of n will make matching 1000x slower. just not acceptable for real workloads, the benchmarks speak for themselves here.
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If Tuesday was the first stress test for US voting systems this year, the results were not entirely encouraging.，详情可参考WPS下载最新地址
Президент Украины Владимир Зеленский поддержал военную операцию против Ирана. Об этом он заявил в интервью Sky News.