假设你在餐馆吃饭花了不到100元，结账时你给服务员一张百元钞票，而服务员希望用最少的纸币给你找钱。请设计算法帮助服务员-Suppose you eat in a restaurant to spend less than 100, check out when you give the waiter a hundred notes, the crew hopes to at least the notes to you give change. Please help the crew desi