摘要: 题目描述 硬币购物一共有4种硬币。面值分别为c1,c2,c3,c4。某人去商店买东西,去了tot次。每次带di枚ci硬币,买si的价值的东西。请问每次有多少种付款方法。 di,s include include include include include define LL long long 阅读全文
posted @ 2018-11-03 08:40 Tony_Double_Sky 阅读(171) 评论(0) 推荐(0) 编辑