Problem 1003 1003

14184134 | 2015-09-26 19:30:52Author
0+2+2+3怎么来的，还有为啥除以4
VvlvV | 2015-09-26 19:42:35# 1
两个区间，可取可不取。４个可能
BestCoder Contest System 2.0
Copyright © 2014-2024 HDU ACM Team