题解 | 计算商品打折结算金额

#include <stdio.h>

int main() {
    float price,discount;
    scanf("%f",&price);
    if(price>0){
    if(price>0 && price < 500){
        discount = price * 0.9;
        printf("%f",discount);
    }
    else if(price>=500 && price < 2000){
        discount = price * 0.8;
        printf("%f",discount);
    }
    else if(price>=2000 && price < 5000){
        discount = price * 0.7;
        printf("%f",discount);
    }
    else{
        discount = price * 0.6;
        printf("%f",discount);
    }
    }
    return 0;
}