今年春节假期，延安站日均开行高铁52趟，累计发送旅客11.3万人次、到达旅客10.6万人次，分别同比增长47.1%、43.2%。
both of these approaches use NFAs under the hood, which means O(m * n) matching. our approach is fundamentally different: we encode lookaround information directly in the automaton via derivatives, which gives us O(n) matching with a small constant. the trade-off is that we restrict lookarounds to a normalized form (?<=R1)R2(?=R3) where R1/R2/R3 themselves don’t contain lookarounds. the oracle-based approaches support more general nesting, but pay for it in the matching loop. one open question i have is how they handle memory for the oracle table - if you read a gigabyte of text, do you keep a gigabyte-sized table in memory for each lookaround in the pattern?
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За неприятный запах из квартиры россияне рискуют получить штраф. Об этом предупредила доцент кафедры государственных и муниципальных финансов РЭУ имени Г.В. Плеханова Ольга Леонова в беседе с РИА Новости.