题解 | 网购
网购
https://www.nowcoder.com/practice/5d7dfd405e5f4e4fbfdff6862c46b751
#include <stdio.h>
int main() {
float p = 0;
float z = 0;
int x = 0;
int m, d, q;
scanf("%f %d %d %d",&p,&m,&d,&q);
if(m == 11){
z = 0.7;
}
if(m == 12){
z = 0.8;
}
if(q == 1){
x = 50;
}
p = p * z - x;
if(p < 0){
p = 0;
}
printf("%.2f",p);
return 0;
}
