题解 | #网购#
网购
http://www.nowcoder.com/practice/5d7dfd405e5f4e4fbfdff6862c46b751
#include<stdio.h>
int main()
{
float price,discount_price;
int month,date,flag;
scanf("%f %d %d %d",&price,&month,&date,&flag);
if(month==11&&date==11){
discount_price=0.7*price;
if(flag==1){
discount_price=discount_price-50;
if(discount_price<=0){
discount_price=0;
printf("%.2f",discount_price);
}else{
printf("%.2f",discount_price);
}
}else if(flag==0){
printf("%.2f",discount_price);
}
}else if(month==12&&date==12){
discount_price=0.8*price;
if(flag==1){
discount_price=discount_price-50;
if(discount_price<=0){
discount_price=0;
printf("%.2f",discount_price);
}else{
printf("%.2f",discount_price);
}
}else if(flag==0){
printf("%.2f",discount_price);
}
}else{
printf("%.2f",price);
}
return 0;
}