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...