HDU 1083 Courses
摘要:
CoursesTime Limit: 20000/10000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1888Accepted Submission(s): 848Problem DescriptionConsider a group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determine whether it is 阅读全文