新生晚会 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 19398    Accepted Submission(s): 6530   Problem Description 开学了，杭电又迎来了好多新生。ACMer想为新生准备一

新生晚会 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 17307    Accepted Submission(s): 5856   Problem Description 开学了，杭电又迎来了好多新生。ACMer想为新生准备一