第十三届浙江省大学生程序设计竞赛 I 题, 一道模拟题. ZOJ 3944http://www.icpc.moe/onlinejudge/showProblem.do?problemCode=3944 In a BG (dinner gathering) for ZJU ICPC team, the coaches wanted to count the number of people present at the BG. They did that by having the waitre…