Contest Clarifications

Problem 1003 样例1

suiyuan2009 | 2014-08-17 20:31:41Author

第二轮不是随机地去掉了一个数，所以第二轮的期望是(2+4)/2=3吗？

admin | 2014-08-17 20:34:08# 1

RE:样例1

每轮分数请根据题意。

admin | 2014-08-17 20:34:15# 2

RE:样例1

read the statement carefully