2015年10月11日
HDU4277 USACO ORZ(dfs+set)
摘要： Problem DescriptionLike everyone, cows enjoy variety. Their current fancy is new shapes for pastures. The old rectangular shapes are out of favor; new... 阅读全文
posted @ 2015-10-11 16:06 Traveller_Leon 阅读(238) 评论(0) 推荐(0)