题目链接:http://exam.upc.edu.cn/problem.php?id=5572题目:题目描述Farmer John has opened a swimming pool for his cows, figuring it will help them relax and produce more milk.To ensure safety, he hires NN cows ...
题目链接:http://exam.upc.edu.cn/problem.php?id=5573题目:题目描述Farmer John realizes that the income he receives from milk production is insufficient to fund the growth of his farm, so to earn some extra mon...
题目链接:https://www.luogu.org/problemnew/show/P3943题目:题目描述逃不掉的那一天还是来了,小 F 看着夜空发呆。天上空荡荡的,没有一颗星星——大概是因为天上吹不散的乌云吧。心里吹不散的乌云,就让它在那里吧,反正也没有机会去改变什么了。小 C 拿来了一长串星型小灯泡,假装是星星,递给小 F,想让小 F 开心一点。不过,有 着强迫症的小 F 发现,这串...