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)
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
cost=price*0.6;
cout << setiosflags(ios::fixed) << setprecision(1) << cost << endl;
return 0;
}