利用霍纳规则，编写C语言程序对多项式进行求值

#include <stdio.h>int horner(int *list,int x,int i,int len);int main(void){int list[]={1,2,3,4};//多项式的系数printf("%d\n",horner(list,2,0,4));return 0;}int horner(int *list,int x,int i,int len){if(i == len-1)return list[i];elsereturn list[i]+horner(list,x,i+1,len)*x;}