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2528 两个注意1.离散化之后数组要开80000以上,因为坐标可以有20000个 2.题目中清楚说的是Each poster must completely cover a contiguous number of wall segments.是Segments而不是A segment.亦是说墙上的"Segments"要看做点. ..RE无力吐槽..改到200000就从RE转AC Followed by:
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