摘要： #includeint main(void){ double x,y; double a(double x); int i,m; double cylinder(double x,double y); /*自定义函数*/ printf("enter m:"); scanf("%d",&m); for(i=0;i0时的情况*/ y=a(x); printf("y=%.3f\n",y); } } return 0;}double a(double x){ double y;... 阅读全文

摘要： #includeint main(void){ double x,y; printf("enter x(x>=0):\n"); scanf("%lf",&x); if(x<=50){ y=0.53*x; }/*计算x小于等于50的电费*/ else{ y=0.53*50+0.58*(x-50); }/*计算x大于50的电费*/ printf("y=f(%f)=%.2f\n",x,y); return 0;} 阅读全文