下面程序执行后的输出结果是（ ）。#include #define N 20void fun(int a[],int n,int m){int i;for(i=m;i>=n;i--) a[i 1]=a[i];} int main(){ int i;int a[N]={1,2,3,4,5,6,7,8,9,10};fun(a,2,9);for(i=0;i<5;i ) printf("%d",a[i]); return 0;}? 12234123441233410234