p23(1) 刚刚的代码被挡住了
#include<stdio.h> int main(void) { double x,y; printf("Enter x(x>=0):\n"); scanf("%lf",&x); /*if-else语句*/ if(x<=15){ y=4*x/3; } else{ y=2.5*x-10.5; } printf("y=f(%f)=%.2f\n",x,y); return 0; }
#include<stdio.h> int main(void) { double x,y; printf("Enter x(x>=0):\n"); scanf("%lf",&x); /*if-else语句*/ if(x<=15){ y=4*x/3; } else{ y=2.5*x-10.5; } printf("y=f(%f)=%.2f\n",x,y); return 0; }