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;
cost=price<0?0:(price>=5000?0.6*price:(price>=2000?0.7*price:(price>=500?0.8*price:0.9*price)));
cout << setiosflags(ios::fixed) << setprecision(1) << cost << endl;
return 0;
}