题解 | #计算商品打折结算金额#

#include #include using namespace std;

int main() {

double price;
cin >> price;

double cost = 0.0;

// write your code here.......
while(1){
    if(price >= 5000){
        cost = price * 0.6;
        break;
    }
    if(price >= 2000){
        cost = price * 0.7;
        break;
    }
    if(price >= 500){
        cost = price * 0.8;
        break;
    }
    if(price >= 100){
        cost = price * 0.9;
        break;
    }
    break;
}


cout << setiosflags(ios::fixed) << setprecision(1) << cost << endl;

return 0;

}