题解 | #计算商品打折结算金额#
计算商品打折结算金额
https://www.nowcoder.com/practice/055a92b5c93f497291a58c232f59fae9
#include <iostream> #include <iomanip> using namespace std; int main() { double price; cin >> price; double cost = 0.0; if(price<100&&price>0){cost=price;} else if(price>=100&&price<500) {cost=price*0.9;} else if(price>=500&&price<2000) {cost=price*0.8;} else if(price>=2000&&price<5000) {cost=price*0.7;} else if(price>=6000) {cost=price*0.6;} cout << setiosflags(ios::fixed) << setprecision(1) << cost << endl; return 0; }