G - Brain Network (easy) Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u CodeForces 690C1 Description One particularly well-known fact about zombies is that they move and think terribly slowly. While we still don't know…
并查集 PAT (Advanced Level) Practice 并查集 相关题 <算法笔记> 重点摘要 1034 Head of a Gang (30) 1107 Social Clusters (30) 1118 Birds in Forest (25) <算法笔记> 9.6 并查集 重点摘要 1. 定义 father[i] 表示元素 i的父结点 father[i] = i 表示元素 i 为该集合根结点 每个集合只存在一个根结点,且其作为所属集合的标识 int father[…