摘要：
K- Center 2000ms 262144K You are given a point set with nn points on the 2D-plane, your task is to find the smallest number of points you need to add 阅读全文
摘要：
E-XKC's basketball team XKC , the captain of the basketball team , is directing a train of nn team members. He makes all members stand in a row , and 阅读全文