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 x;
cin >> x;
if(x<500&&x>99){
x*=0.9;
}else if(x<2000){
x*=0.8;
}else if(x<5000){
x*=0.7;
}else if(x>4999){
x*=0.6;
}
printf("%.1lf",x);
return 0;
}
注意最后也是elseif要不然不满100也会算
