POJ 1308 Is It A Tree?(并查集) Home » 编程开发 » POJ 1308 Is It A Tree?(并查集) A tree is a well-known data structure that is either em … 阅读更多
CodeForces 185A. Plant(矩阵快速幂) Home » 编程开发 » CodeForces 185A. Plant(矩阵快速幂) 题目链接: Dwarfs have planted a very interesting plant, whi … 阅读更多