#include<stdio.h>

 double chaoba(double f,double q); //声明自定义函数

 void main(void)

 {

 double a=2.0,b=3.0,c;

         c=chaoba(a,b);

 printf("%f\n",c);

 }

 double chaoba(double f,double q) //定义函数

 {

 double c=,i;

 for (i=;i<=q;i++)

 c=f*c;

 return c;

 }