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