摘要：
//计算多个用户的电费#includeint main(){ int i,n; double x,y; double fee(double x); printf("Enter n:"); scanf("%d",&n); for(i=1;iint main(void){ int n,i; double x,y; printf("Enter n:"); scanf("%d",&n); for(i=1;i#define PI 3.14int main(){ int h,r,n,i; double v; d 阅读全文