时间限制: 2s
内存限制: 192MB 提交: 5708 解决: 3400
题目描述
你买了一箱n个苹果，很不幸的是买完时箱子里混进了一条虫子。虫子每x小时能吃掉一个苹果，假设虫子在吃完一个苹果之前不会吃另一个，那么经过y小时你还有多少个完整的苹果？
输入格式
输入仅一行，包括n，x和y（均为整数）。输入数据保证y <= n * x。
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