题解 | #网购#
网购
https://www.nowcoder.com/practice/5d7dfd405e5f4e4fbfdff6862c46b751
写的再多也不慌，只要逻辑对，稳住哈哈哈，惊呆了
#include <stdio.h>
int main ()
{
int b=0,c=0,d;
double a,t,g;
scanf("%lf %d %d %d",&a,&b,&c,&d);
if(b==11&&c==11)
{
t=a*0.7;
}else if(b==12&&c==12){
t=a*0.8;
}if(d==1){
g=t-50;
}else if(d==0){
g=t;
}if(g<0){
printf("0.00");
}else if(g>0){
printf("%.2f",g);
}
return 0;
}
