题目描述 你这个学期必须选修 numCourses 门课程，记为 0 到 numCourses – […]
BJTUOJ 1929 — Battle
题目 肯千网络公司最新推出了完全由偶像一对一对战构成的网络选秀节目。在该节目中，节目组邀请了 n 位偶像，每天 […]
PAT (Advanced Level) Practice 1004 Counting Leaves
A family hierarchy is usually presented by a pedigree t […]
PAT (Advanced Level) Practice 1003 Emergency
As an emergency rescue team leader of a city, you are g […]