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