Question

用C语言编一个函数，功能是求X的Y次方

Answer 1

int fun(int x,int y){ int i,mul;mul=1; for(i=0;i<y;i++) mul=mul*x;return mul;}

Answer 2

#include <stdio.h>
int main()
{
double x,s=0,j;
long y;
int i;
printf("请输入x,y的值：");
scanf("%lf%ld",&x,&y);
j=x;
for(i=1;i<=y;i++)
{
s=j;
j=j*x;
}
printf("%lf\n",s);
return 0;
}