阶梯电价
#include<stdio.h>
int main(void){
double electricity,cost;
printf("输入用电量:\n");
scanf("%lf",&electricity);
if(electricity<=50) cost=electricity*0.53;
else cost=50*0.53+(electricity-50)*0.58;
printf("cost=%lf",cost);
return 0;
}
#include<stdio.h>
int main(void){
double electricity,cost;
printf("输入用电量:\n");
scanf("%lf",&electricity);
if(electricity<=50) cost=electricity*0.53;
else cost=50*0.53+(electricity-50)*0.58;
printf("cost=%lf",cost);
return 0;
}