题解 | #网购#
网购
https://www.nowcoder.com/practice/5d7dfd405e5f4e4fbfdff6862c46b751
#include <stdio.h>
int main()
{
int month,day,fact;
double price;
scanf("%lf %d %d %d",&price,&month,&day,&fact);
if(month==11&&day==11)
{
price=price*0.7;
if(fact==1)
price=price-50;
}
else if(month==12&&day==12)
{
price=price*0.8;
if(fact==1)
price=price-50;
}
if(price<0)
price=0.0;
printf("%.2lf",price);
return 0;
}
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