creatorx的博客

COURSES Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 24326   Accepted: 9484 Description Consider a group of N students and P courses. Each student visits

Prime Set Time Limit: 2 Seconds      Memory Limit: 131072 KB Given an array of  integers , we say a set  is a prime set of the given array, if  and  is prime. BaoBao has just found an arr