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 <cstdio>
#include <iostream>
#include <iomanip>
using namespace std;
int main() {
double use;
cin >> use;
if (use >= 5000) {
use = use * 0.6;
} else if (use >= 2000) {
use = use * 0.7;
} else if (use >= 500) {
use = use * 0.8;
} else if (use >= 100) {
use = use * 0.9;
}
printf("%.1f", use);
}
