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摘要: 存个最最基础的路径压缩板子: int _find(int x){return fa[x]==x?x:fa[x]=_find(fa[x]);} void _merge(int x, int y){fa[_find(x)]=_find(y);} View Code 放几道裸题吧。 A - Wireles 阅读全文
posted @ 2020-08-19 19:33 ViKyanite 阅读(33) 评论(0) 推荐(0) 编辑