递归实现r^k

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>//递归实现n^k
int multiply(int x,int k)
{
if (k == 0)
return 1;
else
return x*multiply(x, k - 1);
}
int main()
{
int k = 0;
int n = 0;
scanf("%d", &n);
scanf("%d", &k);
printf("%d\n",multiply(n,k));
system(“pause”);
return 0;
}