摘要：You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates 阅读全文

摘要：The end of the school year is near and Ms. Manana, the teacher, will soon have to say goodbye to a yet another class. She decided to prepare a goodbye 阅读全文

摘要：对于csuxushu来说，能够在CSU（California State University）上学是他一生的荣幸，而换校区搬寝室则是他最大的不幸。顺利通过省赛选拔，开心的csuxushu现在需要着手准备搬家事宜。 对于好学的csuxushu来说，唯一头疼的就是书籍的搬运了，因为他的书实在是太多了。 阅读全文

摘要：Assume the coasting is an infinite straight line. Land is in one side of coasting, sea in the other. Each small island is a point locating in the sea 阅读全文