题解 | #网购#
网购
https://www.nowcoder.com/practice/5d7dfd405e5f4e4fbfdff6862c46b751
#include <stdio.h>
int main()
{
float a=0;
int x,y,z;
scanf("%f%d%d%d",&a,&x,&y,&z);
if(x==y&&x==11)
{
a*=0.7;
}
if(x==y&&x==12)
a*=0.8;
if(z)
a-=50;
if(a>=0)
printf("%.2f",a);
else
printf("0.00");
return 0;
}
